20087438982

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{659}}^1\times {\mathrm{390791}}^1$

素因数の和:391468

約数の個数: 32

約数和(自身を含む): 43331016960

約数和(自身を除く): 23243577978

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 659, 1318, 1977, 3954, 8567, 17134, 25701, 51402, 390791, 781582, 1172373, 2344746, 5080283, 10160566, 15240849, 30481698, 257531269, 515062538, 772593807, 1545187614, 3347906497, 6695812994, 10043719491, 20087438982]

約数ペア:

[(1, 20087438982), (2, 10043719491), (3, 6695812994), (6, 3347906497), (13, 1545187614), (26, 772593807), (39, 515062538), (78, 257531269), (659, 30481698), (1318, 15240849), (1977, 10160566), (3954, 5080283), (8567, 2344746), (17134, 1172373), (25701, 781582), (51402, 390791)]