20430852

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:213

約数の個数: 96

約数和(自身を含む): 55413120

約数和(自身を除く): 34982268

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 61, 76, 78, 113, 114, 122, 156, 183, 226, 228, 244, 247, 339, 366, 452, 494, 678, 732, 741, 793, 988, 1159, 1356, 1469, 1482, 1586, 2147, 2318, 2379, 2938, 2964, 3172, 3477, 4294, 4407, 4636, 4758, 5876, 6441, 6893, 6954, 8588, 8814, 9516, 12882, 13786, 13908, 15067, 17628, 20679, 25764, 27572, 27911, 30134, 41358, 45201, 55822, 60268, 82716, 83733, 89609, 90402, 111644, 130967, 167466, 179218, 180804, 261934, 268827, 334932, 358436, 392901, 523868, 537654, 785802, 1075308, 1571604, 1702571, 3405142, 5107713, 6810284, 10215426, 20430852]

約数ペア:

[(1, 20430852), (2, 10215426), (3, 6810284), (4, 5107713), (6, 3405142), (12, 1702571), (13, 1571604), (19, 1075308), (26, 785802), (38, 537654), (39, 523868), (52, 392901), (57, 358436), (61, 334932), (76, 268827), (78, 261934), (113, 180804), (114, 179218), (122, 167466), (156, 130967), (183, 111644), (226, 90402), (228, 89609), (244, 83733), (247, 82716), (339, 60268), (366, 55822), (452, 45201), (494, 41358), (678, 30134), (732, 27911), (741, 27572), (793, 25764), (988, 20679), (1159, 17628), (1356, 15067), (1469, 13908), (1482, 13786), (1586, 12882), (2147, 9516), (2318, 8814), (2379, 8588), (2938, 6954), (2964, 6893), (3172, 6441), (3477, 5876), (4294, 4758), (4407, 4636)]