20267568

素因数分解:

$2^4\times 3^2\times {\mathrm{97}}^1\times {\mathrm{1451}}^1$

素因数の和:1562

約数の個数: 60

約数和(自身を含む): 57345288

約数和(自身を除く): 37077720

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 97, 144, 194, 291, 388, 582, 776, 873, 1164, 1451, 1552, 1746, 2328, 2902, 3492, 4353, 4656, 5804, 6984, 8706, 11608, 13059, 13968, 17412, 23216, 26118, 34824, 52236, 69648, 104472, 140747, 208944, 281494, 422241, 562988, 844482, 1125976, 1266723, 1688964, 2251952, 2533446, 3377928, 5066892, 6755856, 10133784, 20267568]

約数ペア:

[(1, 20267568), (2, 10133784), (3, 6755856), (4, 5066892), (6, 3377928), (8, 2533446), (9, 2251952), (12, 1688964), (16, 1266723), (18, 1125976), (24, 844482), (36, 562988), (48, 422241), (72, 281494), (97, 208944), (144, 140747), (194, 104472), (291, 69648), (388, 52236), (582, 34824), (776, 26118), (873, 23216), (1164, 17412), (1451, 13968), (1552, 13059), (1746, 11608), (2328, 8706), (2902, 6984), (3492, 5804), (4353, 4656)]