20546802840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{659}}^1\times {\mathrm{259823}}^1$

素因数の和:260496

約数の個数: 64

約数和(自身を含む): 61734182400

約数和(自身を除く): 41187379560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 659, 1318, 1977, 2636, 3295, 3954, 5272, 6590, 7908, 9885, 13180, 15816, 19770, 26360, 39540, 79080, 259823, 519646, 779469, 1039292, 1299115, 1558938, 2078584, 2598230, 3117876, 3897345, 5196460, 6235752, 7794690, 10392920, 15589380, 31178760, 171223357, 342446714, 513670071, 684893428, 856116785, 1027340142, 1369786856, 1712233570, 2054680284, 2568350355, 3424467140, 4109360568, 5136700710, 6848934280, 10273401420, 20546802840]

約数ペア:

[(1, 20546802840), (2, 10273401420), (3, 6848934280), (4, 5136700710), (5, 4109360568), (6, 3424467140), (8, 2568350355), (10, 2054680284), (12, 1712233570), (15, 1369786856), (20, 1027340142), (24, 856116785), (30, 684893428), (40, 513670071), (60, 342446714), (120, 171223357), (659, 31178760), (1318, 15589380), (1977, 10392920), (2636, 7794690), (3295, 6235752), (3954, 5196460), (5272, 3897345), (6590, 3117876), (7908, 2598230), (9885, 2078584), (13180, 1558938), (15816, 1299115), (19770, 1039292), (26360, 779469), (39540, 519646), (79080, 259823)]