20132705968

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{272417}}^1$

素因数の和:272605

約数の個数: 40

約数和(自身を含む): 40535798400

約数和(自身を除く): 20403092432

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 149, 248, 298, 496, 596, 1192, 2384, 4619, 9238, 18476, 36952, 73904, 272417, 544834, 1089668, 2179336, 4358672, 8444927, 16889854, 33779708, 40590133, 67559416, 81180266, 135118832, 162360532, 324721064, 649442128, 1258294123, 2516588246, 5033176492, 10066352984, 20132705968]

約数ペア:

[(1, 20132705968), (2, 10066352984), (4, 5033176492), (8, 2516588246), (16, 1258294123), (31, 649442128), (62, 324721064), (124, 162360532), (149, 135118832), (248, 81180266), (298, 67559416), (496, 40590133), (596, 33779708), (1192, 16889854), (2384, 8444927), (4619, 4358672), (9238, 2179336), (18476, 1089668), (36952, 544834), (73904, 272417)]