20119710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2243}}^1$

素因数の和:2289

約数の個数: 64

約数和(自身を含む): 54286848

約数和(自身を除く): 34167138

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 65, 69, 78, 115, 130, 138, 195, 230, 299, 345, 390, 598, 690, 897, 1495, 1794, 2243, 2990, 4485, 4486, 6729, 8970, 11215, 13458, 22430, 29159, 33645, 51589, 58318, 67290, 87477, 103178, 145795, 154767, 174954, 257945, 291590, 309534, 437385, 515890, 670657, 773835, 874770, 1341314, 1547670, 2011971, 3353285, 4023942, 6706570, 10059855, 20119710]

約数ペア:

[(1, 20119710), (2, 10059855), (3, 6706570), (5, 4023942), (6, 3353285), (10, 2011971), (13, 1547670), (15, 1341314), (23, 874770), (26, 773835), (30, 670657), (39, 515890), (46, 437385), (65, 309534), (69, 291590), (78, 257945), (115, 174954), (130, 154767), (138, 145795), (195, 103178), (230, 87477), (299, 67290), (345, 58318), (390, 51589), (598, 33645), (690, 29159), (897, 22430), (1495, 13458), (1794, 11215), (2243, 8970), (2990, 6729), (4485, 4486)]