20215229766

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{967}}^1\times {\mathrm{1583}}^1$

素因数の和:2657

約数の個数: 64

約数和(自身を含む): 42393010176

約数和(自身を除く): 22177780410

約数列:

[1, 2, 3, 6, 31, 62, 71, 93, 142, 186, 213, 426, 967, 1583, 1934, 2201, 2901, 3166, 4402, 4749, 5802, 6603, 9498, 13206, 29977, 49073, 59954, 68657, 89931, 98146, 112393, 137314, 147219, 179862, 205971, 224786, 294438, 337179, 411942, 674358, 1530761, 2128367, 3061522, 3484183, 4256734, 4592283, 6385101, 6968366, 9184566, 10452549, 12770202, 20905098, 47453591, 94907182, 108684031, 142360773, 217368062, 284721546, 326052093, 652104186, 3369204961, 6738409922, 10107614883, 20215229766]

約数ペア:

[(1, 20215229766), (2, 10107614883), (3, 6738409922), (6, 3369204961), (31, 652104186), (62, 326052093), (71, 284721546), (93, 217368062), (142, 142360773), (186, 108684031), (213, 94907182), (426, 47453591), (967, 20905098), (1583, 12770202), (1934, 10452549), (2201, 9184566), (2901, 6968366), (3166, 6385101), (4402, 4592283), (4749, 4256734), (5802, 3484183), (6603, 3061522), (9498, 2128367), (13206, 1530761), (29977, 674358), (49073, 411942), (59954, 337179), (68657, 294438), (89931, 224786), (98146, 205971), (112393, 179862), (137314, 147219)]