20002645264

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{991}}^1\times {\mathrm{10601}}^1$

素因数の和:11624

約数の個数: 80

約数和(自身を含む): 46948709376

約数和(自身を除く): 26946064112

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 991, 1904, 1982, 3964, 6937, 7928, 10601, 13874, 15856, 16847, 21202, 27748, 33694, 42404, 55496, 67388, 74207, 84808, 110992, 117929, 134776, 148414, 169616, 180217, 235858, 269552, 296828, 360434, 471716, 593656, 720868, 943432, 1187312, 1261519, 1441736, 1886864, 2523038, 2883472, 5046076, 10092152, 10505591, 20184304, 21011182, 42022364, 73539137, 84044728, 147078274, 168089456, 178595047, 294156548, 357190094, 588313096, 714380188, 1176626192, 1250165329, 1428760376, 2500330658, 2857520752, 5000661316, 10001322632, 20002645264]

約数ペア:

[(1, 20002645264), (2, 10001322632), (4, 5000661316), (7, 2857520752), (8, 2500330658), (14, 1428760376), (16, 1250165329), (17, 1176626192), (28, 714380188), (34, 588313096), (56, 357190094), (68, 294156548), (112, 178595047), (119, 168089456), (136, 147078274), (238, 84044728), (272, 73539137), (476, 42022364), (952, 21011182), (991, 20184304), (1904, 10505591), (1982, 10092152), (3964, 5046076), (6937, 2883472), (7928, 2523038), (10601, 1886864), (13874, 1441736), (15856, 1261519), (16847, 1187312), (21202, 943432), (27748, 720868), (33694, 593656), (42404, 471716), (55496, 360434), (67388, 296828), (74207, 269552), (84808, 235858), (110992, 180217), (117929, 169616), (134776, 148414)]