20228064688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1\times {\mathrm{8447}}^1$

素因数の和:8894

約数の個数: 80

約数和(自身を含む): 43777198080

約数和(自身を除く): 23549133392

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 104, 116, 208, 232, 377, 397, 464, 754, 794, 1508, 1588, 3016, 3176, 5161, 6032, 6352, 8447, 10322, 11513, 16894, 20644, 23026, 33788, 41288, 46052, 67576, 82576, 92104, 109811, 135152, 149669, 184208, 219622, 244963, 299338, 439244, 489926, 598676, 878488, 979852, 1197352, 1756976, 1959704, 2394704, 3184519, 3353459, 3919408, 6369038, 6706918, 12738076, 13413836, 25476152, 26827672, 43594967, 50952304, 53655344, 87189934, 97250311, 174379868, 194500622, 348759736, 389001244, 697519472, 778002488, 1264254043, 1556004976, 2528508086, 5057016172, 10114032344, 20228064688]

約数ペア:

[(1, 20228064688), (2, 10114032344), (4, 5057016172), (8, 2528508086), (13, 1556004976), (16, 1264254043), (26, 778002488), (29, 697519472), (52, 389001244), (58, 348759736), (104, 194500622), (116, 174379868), (208, 97250311), (232, 87189934), (377, 53655344), (397, 50952304), (464, 43594967), (754, 26827672), (794, 25476152), (1508, 13413836), (1588, 12738076), (3016, 6706918), (3176, 6369038), (5161, 3919408), (6032, 3353459), (6352, 3184519), (8447, 2394704), (10322, 1959704), (11513, 1756976), (16894, 1197352), (20644, 979852), (23026, 878488), (33788, 598676), (41288, 489926), (46052, 439244), (67576, 299338), (82576, 244963), (92104, 219622), (109811, 184208), (135152, 149669)]