20194699240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{947}}^1\times {\mathrm{13003}}^1$

素因数の和:14002

約数の個数: 64

約数和(自身を含む): 46599053760

約数和(自身を除く): 26404354520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 947, 1640, 1894, 3788, 4735, 7576, 9470, 13003, 18940, 26006, 37880, 38827, 52012, 65015, 77654, 104024, 130030, 155308, 194135, 260060, 310616, 388270, 520120, 533123, 776540, 1066246, 1553080, 2132492, 2665615, 4264984, 5331230, 10662460, 12313841, 21324920, 24627682, 49255364, 61569205, 98510728, 123138410, 246276820, 492553640, 504867481, 1009734962, 2019469924, 2524337405, 4038939848, 5048674810, 10097349620, 20194699240]

約数ペア:

[(1, 20194699240), (2, 10097349620), (4, 5048674810), (5, 4038939848), (8, 2524337405), (10, 2019469924), (20, 1009734962), (40, 504867481), (41, 492553640), (82, 246276820), (164, 123138410), (205, 98510728), (328, 61569205), (410, 49255364), (820, 24627682), (947, 21324920), (1640, 12313841), (1894, 10662460), (3788, 5331230), (4735, 4264984), (7576, 2665615), (9470, 2132492), (13003, 1553080), (18940, 1066246), (26006, 776540), (37880, 533123), (38827, 520120), (52012, 388270), (65015, 310616), (77654, 260060), (104024, 194135), (130030, 155308)]