20739030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1297}}^1$

素因数の和:1361

約数の個数: 64

約数和(自身を含む): 54952128

約数和(自身を除く): 34213098

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 41, 65, 78, 82, 123, 130, 195, 205, 246, 390, 410, 533, 615, 1066, 1230, 1297, 1599, 2594, 2665, 3198, 3891, 5330, 6485, 7782, 7995, 12970, 15990, 16861, 19455, 33722, 38910, 50583, 53177, 84305, 101166, 106354, 159531, 168610, 252915, 265885, 319062, 505830, 531770, 691301, 797655, 1382602, 1595310, 2073903, 3456505, 4147806, 6913010, 10369515, 20739030]

約数ペア:

[(1, 20739030), (2, 10369515), (3, 6913010), (5, 4147806), (6, 3456505), (10, 2073903), (13, 1595310), (15, 1382602), (26, 797655), (30, 691301), (39, 531770), (41, 505830), (65, 319062), (78, 265885), (82, 252915), (123, 168610), (130, 159531), (195, 106354), (205, 101166), (246, 84305), (390, 53177), (410, 50583), (533, 38910), (615, 33722), (1066, 19455), (1230, 16861), (1297, 15990), (1599, 12970), (2594, 7995), (2665, 7782), (3198, 6485), (3891, 5330)]