20805875784

素因数分解:

$2^3\times 3^9\times {\mathrm{71}}^1\times {\mathrm{1861}}^1$

素因数の和:1965

約数の個数: 160

約数和(自身を含む): 59371583040

約数和(自身を除く): 38565707256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 81, 108, 142, 162, 213, 216, 243, 284, 324, 426, 486, 568, 639, 648, 729, 852, 972, 1278, 1458, 1704, 1861, 1917, 1944, 2187, 2556, 2916, 3722, 3834, 4374, 5112, 5583, 5751, 5832, 6561, 7444, 7668, 8748, 11166, 11502, 13122, 14888, 15336, 16749, 17253, 17496, 19683, 22332, 23004, 26244, 33498, 34506, 39366, 44664, 46008, 50247, 51759, 52488, 66996, 69012, 78732, 100494, 103518, 132131, 133992, 138024, 150741, 155277, 157464, 200988, 207036, 264262, 301482, 310554, 396393, 401976, 414072, 452223, 465831, 528524, 602964, 621108, 792786, 904446, 931662, 1057048, 1189179, 1205928, 1242216, 1356669, 1397493, 1585572, 1808892, 1863324, 2378358, 2713338, 2794986, 3171144, 3567537, 3617784, 3726648, 4070007, 4756716, 5426676, 5589972, 7135074, 8140014, 9513432, 10702611, 10853352, 11179944, 12210021, 14270148, 16280028, 21405222, 24420042, 28540296, 32107833, 32560056, 36630063, 42810444, 48840084, 64215666, 73260126, 85620888, 96323499, 97680168, 128431332, 146520252, 192646998, 256862664, 288970497, 293040504, 385293996, 577940994, 770587992, 866911491, 1155881988, 1733822982, 2311763976, 2600734473, 3467645964, 5201468946, 6935291928, 10402937892, 20805875784]

約数ペア:

[(1, 20805875784), (2, 10402937892), (3, 6935291928), (4, 5201468946), (6, 3467645964), (8, 2600734473), (9, 2311763976), (12, 1733822982), (18, 1155881988), (24, 866911491), (27, 770587992), (36, 577940994), (54, 385293996), (71, 293040504), (72, 288970497), (81, 256862664), (108, 192646998), (142, 146520252), (162, 128431332), (213, 97680168), (216, 96323499), (243, 85620888), (284, 73260126), (324, 64215666), (426, 48840084), (486, 42810444), (568, 36630063), (639, 32560056), (648, 32107833), (729, 28540296), (852, 24420042), (972, 21405222), (1278, 16280028), (1458, 14270148), (1704, 12210021), (1861, 11179944), (1917, 10853352), (1944, 10702611), (2187, 9513432), (2556, 8140014), (2916, 7135074), (3722, 5589972), (3834, 5426676), (4374, 4756716), (5112, 4070007), (5583, 3726648), (5751, 3617784), (5832, 3567537), (6561, 3171144), (7444, 2794986), (7668, 2713338), (8748, 2378358), (11166, 1863324), (11502, 1808892), (13122, 1585572), (14888, 1397493), (15336, 1356669), (16749, 1242216), (17253, 1205928), (17496, 1189179), (19683, 1057048), (22332, 931662), (23004, 904446), (26244, 792786), (33498, 621108), (34506, 602964), (39366, 528524), (44664, 465831), (46008, 452223), (50247, 414072), (51759, 401976), (52488, 396393), (66996, 310554), (69012, 301482), (78732, 264262), (100494, 207036), (103518, 200988), (132131, 157464), (133992, 155277), (138024, 150741)]