20844394668

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{306193}}^1$

素因数の和:306295

約数の個数: 72

約数和(自身を含む): 55281489536

約数和(自身を除く): 34437094868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 61, 62, 93, 122, 124, 183, 186, 244, 279, 366, 372, 549, 558, 732, 1098, 1116, 1891, 2196, 3782, 5673, 7564, 11346, 17019, 22692, 34038, 68076, 306193, 612386, 918579, 1224772, 1837158, 2755737, 3674316, 5511474, 9491983, 11022948, 18677773, 18983966, 28475949, 37355546, 37967932, 56033319, 56951898, 74711092, 85427847, 112066638, 113903796, 168099957, 170855694, 224133276, 336199914, 341711388, 579010963, 672399828, 1158021926, 1737032889, 2316043852, 3474065778, 5211098667, 6948131556, 10422197334, 20844394668]

約数ペア:

[(1, 20844394668), (2, 10422197334), (3, 6948131556), (4, 5211098667), (6, 3474065778), (9, 2316043852), (12, 1737032889), (18, 1158021926), (31, 672399828), (36, 579010963), (61, 341711388), (62, 336199914), (93, 224133276), (122, 170855694), (124, 168099957), (183, 113903796), (186, 112066638), (244, 85427847), (279, 74711092), (366, 56951898), (372, 56033319), (549, 37967932), (558, 37355546), (732, 28475949), (1098, 18983966), (1116, 18677773), (1891, 11022948), (2196, 9491983), (3782, 5511474), (5673, 3674316), (7564, 2755737), (11346, 1837158), (17019, 1224772), (22692, 918579), (34038, 612386), (68076, 306193)]