20876170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:415

約数の個数: 64

約数和(自身を含む): 46469376

約数和(自身を除く): 25593206

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 53, 70, 85, 106, 119, 170, 238, 265, 331, 371, 530, 595, 662, 742, 901, 1190, 1655, 1802, 1855, 2317, 3310, 3710, 4505, 4634, 5627, 6307, 9010, 11254, 11585, 12614, 17543, 23170, 28135, 31535, 35086, 39389, 56270, 63070, 78778, 87715, 122801, 175430, 196945, 245602, 298231, 393890, 596462, 614005, 1228010, 1491155, 2087617, 2982310, 4175234, 10438085, 20876170]

約数ペア:

[(1, 20876170), (2, 10438085), (5, 4175234), (7, 2982310), (10, 2087617), (14, 1491155), (17, 1228010), (34, 614005), (35, 596462), (53, 393890), (70, 298231), (85, 245602), (106, 196945), (119, 175430), (170, 122801), (238, 87715), (265, 78778), (331, 63070), (371, 56270), (530, 39389), (595, 35086), (662, 31535), (742, 28135), (901, 23170), (1190, 17543), (1655, 12614), (1802, 11585), (1855, 11254), (2317, 9010), (3310, 6307), (3710, 5627), (4505, 4634)]