20121608480

素因数分解:

$2^5\times 5^1\times {\mathrm{13469}}^1\times {\mathrm{9337}}^1$

素因数の和:22821

約数の個数: 48

約数和(自身を含む): 47545921080

約数和(自身を除く): 27424312600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 9337, 13469, 18674, 26938, 37348, 46685, 53876, 67345, 74696, 93370, 107752, 134690, 149392, 186740, 215504, 269380, 298784, 373480, 431008, 538760, 746960, 1077520, 1493920, 2155040, 125760053, 251520106, 503040212, 628800265, 1006080424, 1257600530, 2012160848, 2515201060, 4024321696, 5030402120, 10060804240, 20121608480]

約数ペア:

[(1, 20121608480), (2, 10060804240), (4, 5030402120), (5, 4024321696), (8, 2515201060), (10, 2012160848), (16, 1257600530), (20, 1006080424), (32, 628800265), (40, 503040212), (80, 251520106), (160, 125760053), (9337, 2155040), (13469, 1493920), (18674, 1077520), (26938, 746960), (37348, 538760), (46685, 431008), (53876, 373480), (67345, 298784), (74696, 269380), (93370, 215504), (107752, 186740), (134690, 149392)]