20171960520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2367601}}^1$

素因数の和:2367686

約数の個数: 64

約数和(自身を含む): 61368243840

約数和(自身を除く): 41196283320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8520, 2367601, 4735202, 7102803, 9470404, 11838005, 14205606, 18940808, 23676010, 28411212, 35514015, 47352020, 56822424, 71028030, 94704040, 142056060, 168099671, 284112120, 336199342, 504299013, 672398684, 840498355, 1008598026, 1344797368, 1680996710, 2017196052, 2521495065, 3361993420, 4034392104, 5042990130, 6723986840, 10085980260, 20171960520]

約数ペア:

[(1, 20171960520), (2, 10085980260), (3, 6723986840), (4, 5042990130), (5, 4034392104), (6, 3361993420), (8, 2521495065), (10, 2017196052), (12, 1680996710), (15, 1344797368), (20, 1008598026), (24, 840498355), (30, 672398684), (40, 504299013), (60, 336199342), (71, 284112120), (120, 168099671), (142, 142056060), (213, 94704040), (284, 71028030), (355, 56822424), (426, 47352020), (568, 35514015), (710, 28411212), (852, 23676010), (1065, 18940808), (1420, 14205606), (1704, 11838005), (2130, 9470404), (2840, 7102803), (4260, 4735202), (8520, 2367601)]