20001493818

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{577}}^1$

素因数の和:749

約数の個数: 192

約数和(自身を含む): 48682063872

約数和(自身を除く): 28680570054

約数列:

[1, 2, 3, 6, 9, 18, 23, 31, 37, 46, 62, 69, 73, 74, 93, 111, 138, 146, 186, 207, 219, 222, 279, 333, 414, 438, 558, 577, 657, 666, 713, 851, 1147, 1154, 1314, 1426, 1679, 1702, 1731, 2139, 2263, 2294, 2553, 2701, 3358, 3441, 3462, 4278, 4526, 5037, 5106, 5193, 5402, 6417, 6789, 6882, 7659, 8103, 10074, 10323, 10386, 12834, 13271, 13578, 15111, 15318, 16206, 17887, 20367, 20646, 21349, 24309, 26381, 26542, 30222, 35774, 39813, 40734, 42121, 42698, 48618, 52049, 52762, 53661, 62123, 64047, 79143, 79626, 83731, 84242, 104098, 107322, 119439, 124246, 126363, 128094, 156147, 158286, 160983, 167462, 186369, 192141, 237429, 238878, 251193, 252726, 312294, 321966, 372738, 379089, 384282, 411401, 468441, 474858, 491027, 502386, 559107, 661819, 753579, 758178, 822802, 936882, 968783, 982054, 1118214, 1234203, 1305751, 1323638, 1473081, 1507158, 1558477, 1925813, 1937566, 1985457, 2468406, 2611502, 2906349, 2946162, 3116954, 3702609, 3851626, 3917253, 3970914, 4419243, 4675431, 5777439, 5812698, 5956371, 7405218, 7834506, 8719047, 8838486, 9350862, 11554878, 11751759, 11912742, 14026293, 15221837, 17332317, 17438094, 23503518, 28052586, 30032273, 30443674, 34664634, 35844971, 45665511, 48312787, 60064546, 71689942, 90096819, 91331022, 96625574, 107534913, 136996533, 144938361, 180193638, 215069826, 270290457, 273993066, 289876722, 322604739, 434815083, 540580914, 645209478, 869630166, 1111194101, 2222388202, 3333582303, 6667164606, 10000746909, 20001493818]

約数ペア:

[(1, 20001493818), (2, 10000746909), (3, 6667164606), (6, 3333582303), (9, 2222388202), (18, 1111194101), (23, 869630166), (31, 645209478), (37, 540580914), (46, 434815083), (62, 322604739), (69, 289876722), (73, 273993066), (74, 270290457), (93, 215069826), (111, 180193638), (138, 144938361), (146, 136996533), (186, 107534913), (207, 96625574), (219, 91331022), (222, 90096819), (279, 71689942), (333, 60064546), (414, 48312787), (438, 45665511), (558, 35844971), (577, 34664634), (657, 30443674), (666, 30032273), (713, 28052586), (851, 23503518), (1147, 17438094), (1154, 17332317), (1314, 15221837), (1426, 14026293), (1679, 11912742), (1702, 11751759), (1731, 11554878), (2139, 9350862), (2263, 8838486), (2294, 8719047), (2553, 7834506), (2701, 7405218), (3358, 5956371), (3441, 5812698), (3462, 5777439), (4278, 4675431), (4526, 4419243), (5037, 3970914), (5106, 3917253), (5193, 3851626), (5402, 3702609), (6417, 3116954), (6789, 2946162), (6882, 2906349), (7659, 2611502), (8103, 2468406), (10074, 1985457), (10323, 1937566), (10386, 1925813), (12834, 1558477), (13271, 1507158), (13578, 1473081), (15111, 1323638), (15318, 1305751), (16206, 1234203), (17887, 1118214), (20367, 982054), (20646, 968783), (21349, 936882), (24309, 822802), (26381, 758178), (26542, 753579), (30222, 661819), (35774, 559107), (39813, 502386), (40734, 491027), (42121, 474858), (42698, 468441), (48618, 411401), (52049, 384282), (52762, 379089), (53661, 372738), (62123, 321966), (64047, 312294), (79143, 252726), (79626, 251193), (83731, 238878), (84242, 237429), (104098, 192141), (107322, 186369), (119439, 167462), (124246, 160983), (126363, 158286), (128094, 156147)]