20565986064

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{32958311}}^1$

素因数の和:32958335

約数の個数: 40

約数和(自身を含む): 57215629632

約数和(自身を除く): 36649643568

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 32958311, 65916622, 98874933, 131833244, 197749866, 263666488, 395499732, 428458043, 527332976, 790999464, 856916086, 1285374129, 1581998928, 1713832172, 2570748258, 3427664344, 5141496516, 6855328688, 10282993032, 20565986064]

約数ペア:

[(1, 20565986064), (2, 10282993032), (3, 6855328688), (4, 5141496516), (6, 3427664344), (8, 2570748258), (12, 1713832172), (13, 1581998928), (16, 1285374129), (24, 856916086), (26, 790999464), (39, 527332976), (48, 428458043), (52, 395499732), (78, 263666488), (104, 197749866), (156, 131833244), (208, 98874933), (312, 65916622), (624, 32958311)]