20787029160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{983}}^1\times {\mathrm{176221}}^1$

素因数の和:177218

約数の個数: 64

約数和(自身を含む): 62424881280

約数和(自身を除く): 41637852120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 983, 1966, 2949, 3932, 4915, 5898, 7864, 9830, 11796, 14745, 19660, 23592, 29490, 39320, 58980, 117960, 176221, 352442, 528663, 704884, 881105, 1057326, 1409768, 1762210, 2114652, 2643315, 3524420, 4229304, 5286630, 7048840, 10573260, 21146520, 173225243, 346450486, 519675729, 692900972, 866126215, 1039351458, 1385801944, 1732252430, 2078702916, 2598378645, 3464504860, 4157405832, 5196757290, 6929009720, 10393514580, 20787029160]

約数ペア:

[(1, 20787029160), (2, 10393514580), (3, 6929009720), (4, 5196757290), (5, 4157405832), (6, 3464504860), (8, 2598378645), (10, 2078702916), (12, 1732252430), (15, 1385801944), (20, 1039351458), (24, 866126215), (30, 692900972), (40, 519675729), (60, 346450486), (120, 173225243), (983, 21146520), (1966, 10573260), (2949, 7048840), (3932, 5286630), (4915, 4229304), (5898, 3524420), (7864, 2643315), (9830, 2114652), (11796, 1762210), (14745, 1409768), (19660, 1057326), (23592, 881105), (29490, 704884), (39320, 528663), (58980, 352442), (117960, 176221)]