20587598240

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1063409}}^1$

素因数の和:1063446

約数の個数: 72

約数和(自身を含む): 53461874340

約数和(自身を除く): 32874276100

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1760, 1936, 2420, 3872, 4840, 9680, 19360, 1063409, 2126818, 4253636, 5317045, 8507272, 10634090, 11697499, 17014544, 21268180, 23394998, 34029088, 42536360, 46789996, 58487495, 85072720, 93579992, 116974990, 128672489, 170145440, 187159984, 233949980, 257344978, 374319968, 467899960, 514689956, 643362445, 935799920, 1029379912, 1286724890, 1871599840, 2058759824, 2573449780, 4117519648, 5146899560, 10293799120, 20587598240]

約数ペア:

[(1, 20587598240), (2, 10293799120), (4, 5146899560), (5, 4117519648), (8, 2573449780), (10, 2058759824), (11, 1871599840), (16, 1286724890), (20, 1029379912), (22, 935799920), (32, 643362445), (40, 514689956), (44, 467899960), (55, 374319968), (80, 257344978), (88, 233949980), (110, 187159984), (121, 170145440), (160, 128672489), (176, 116974990), (220, 93579992), (242, 85072720), (352, 58487495), (440, 46789996), (484, 42536360), (605, 34029088), (880, 23394998), (968, 21268180), (1210, 17014544), (1760, 11697499), (1936, 10634090), (2420, 8507272), (3872, 5317045), (4840, 4253636), (9680, 2126818), (19360, 1063409)]