20120778672

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1\times {\mathrm{1657}}^1$

素因数の和:2355

約数の個数: 160

約数和(自身を含む): 57552602112

約数和(自身を除く): 37431823440

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 23, 24, 34, 46, 48, 51, 68, 69, 92, 102, 136, 138, 184, 204, 272, 276, 368, 391, 408, 552, 647, 782, 816, 1104, 1173, 1294, 1564, 1657, 1941, 2346, 2588, 3128, 3314, 3882, 4692, 4971, 5176, 6256, 6628, 7764, 9384, 9942, 10352, 10999, 13256, 14881, 15528, 18768, 19884, 21998, 26512, 28169, 29762, 31056, 32997, 38111, 39768, 43996, 44643, 56338, 59524, 65994, 76222, 79536, 84507, 87992, 89286, 112676, 114333, 119048, 131988, 152444, 169014, 175984, 178572, 225352, 228666, 238096, 252977, 263976, 304888, 338028, 357144, 450704, 457332, 505954, 527952, 609776, 647887, 676056, 714288, 758931, 914664, 1011908, 1072079, 1295774, 1352112, 1517862, 1829328, 1943661, 2023816, 2144158, 2591548, 3035724, 3216237, 3887322, 4047632, 4288316, 5183096, 6071448, 6432474, 7774644, 8576632, 10366192, 12142896, 12864948, 15549288, 17153264, 18225343, 24657817, 25729896, 31098576, 36450686, 49315634, 51459792, 54676029, 72901372, 73973451, 98631268, 109352058, 145802744, 147946902, 197262536, 218704116, 291605488, 295893804, 394525072, 419182889, 437408232, 591787608, 838365778, 874816464, 1183575216, 1257548667, 1676731556, 2515097334, 3353463112, 5030194668, 6706926224, 10060389336, 20120778672]

約数ペア:

[(1, 20120778672), (2, 10060389336), (3, 6706926224), (4, 5030194668), (6, 3353463112), (8, 2515097334), (12, 1676731556), (16, 1257548667), (17, 1183575216), (23, 874816464), (24, 838365778), (34, 591787608), (46, 437408232), (48, 419182889), (51, 394525072), (68, 295893804), (69, 291605488), (92, 218704116), (102, 197262536), (136, 147946902), (138, 145802744), (184, 109352058), (204, 98631268), (272, 73973451), (276, 72901372), (368, 54676029), (391, 51459792), (408, 49315634), (552, 36450686), (647, 31098576), (782, 25729896), (816, 24657817), (1104, 18225343), (1173, 17153264), (1294, 15549288), (1564, 12864948), (1657, 12142896), (1941, 10366192), (2346, 8576632), (2588, 7774644), (3128, 6432474), (3314, 6071448), (3882, 5183096), (4692, 4288316), (4971, 4047632), (5176, 3887322), (6256, 3216237), (6628, 3035724), (7764, 2591548), (9384, 2144158), (9942, 2023816), (10352, 1943661), (10999, 1829328), (13256, 1517862), (14881, 1352112), (15528, 1295774), (18768, 1072079), (19884, 1011908), (21998, 914664), (26512, 758931), (28169, 714288), (29762, 676056), (31056, 647887), (32997, 609776), (38111, 527952), (39768, 505954), (43996, 457332), (44643, 450704), (56338, 357144), (59524, 338028), (65994, 304888), (76222, 263976), (79536, 252977), (84507, 238096), (87992, 228666), (89286, 225352), (112676, 178572), (114333, 175984), (119048, 169014), (131988, 152444)]