20871102

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 49674240

約数和(自身を除く): 28803138

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 97, 109, 141, 194, 218, 282, 291, 327, 329, 582, 654, 658, 679, 763, 987, 1358, 1526, 1974, 2037, 2289, 4074, 4559, 4578, 5123, 9118, 10246, 10573, 13677, 15369, 21146, 27354, 30738, 31719, 31913, 35861, 63438, 63826, 71722, 74011, 95739, 107583, 148022, 191478, 215166, 222033, 444066, 496931, 993862, 1490793, 2981586, 3478517, 6957034, 10435551, 20871102]

約数ペア:

[(1, 20871102), (2, 10435551), (3, 6957034), (6, 3478517), (7, 2981586), (14, 1490793), (21, 993862), (42, 496931), (47, 444066), (94, 222033), (97, 215166), (109, 191478), (141, 148022), (194, 107583), (218, 95739), (282, 74011), (291, 71722), (327, 63826), (329, 63438), (582, 35861), (654, 31913), (658, 31719), (679, 30738), (763, 27354), (987, 21146), (1358, 15369), (1526, 13677), (1974, 10573), (2037, 10246), (2289, 9118), (4074, 5123), (4559, 4578)]