20347819440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6521737}}^1$

素因数の和:6521766

約数の個数: 80

約数和(自身を含む): 67930423008

約数和(自身を除く): 47582603568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 6521737, 13043474, 19565211, 26086948, 32608685, 39130422, 52173896, 65217370, 78260844, 84782581, 97826055, 104347792, 130434740, 156521688, 169565162, 195652110, 254347743, 260869480, 313043376, 339130324, 391304220, 423912905, 508695486, 521738960, 678260648, 782608440, 847825810, 1017390972, 1271738715, 1356521296, 1565216880, 1695651620, 2034781944, 2543477430, 3391303240, 4069563888, 5086954860, 6782606480, 10173909720, 20347819440]

約数ペア:

[(1, 20347819440), (2, 10173909720), (3, 6782606480), (4, 5086954860), (5, 4069563888), (6, 3391303240), (8, 2543477430), (10, 2034781944), (12, 1695651620), (13, 1565216880), (15, 1356521296), (16, 1271738715), (20, 1017390972), (24, 847825810), (26, 782608440), (30, 678260648), (39, 521738960), (40, 508695486), (48, 423912905), (52, 391304220), (60, 339130324), (65, 313043376), (78, 260869480), (80, 254347743), (104, 195652110), (120, 169565162), (130, 156521688), (156, 130434740), (195, 104347792), (208, 97826055), (240, 84782581), (260, 78260844), (312, 65217370), (390, 52173896), (520, 39130422), (624, 32608685), (780, 26086948), (1040, 19565211), (1560, 13043474), (3120, 6521737)]