20756448

素因数分解:

$2^5\times 3^2\times {\mathrm{97}}^1\times {\mathrm{743}}^1$

素因数の和:856

約数の個数: 72

約数和(自身を含む): 59714928

約数和(自身を除く): 38958480

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 97, 144, 194, 288, 291, 388, 582, 743, 776, 873, 1164, 1486, 1552, 1746, 2229, 2328, 2972, 3104, 3492, 4458, 4656, 5944, 6687, 6984, 8916, 9312, 11888, 13374, 13968, 17832, 23776, 26748, 27936, 35664, 53496, 71328, 72071, 106992, 144142, 213984, 216213, 288284, 432426, 576568, 648639, 864852, 1153136, 1297278, 1729704, 2306272, 2594556, 3459408, 5189112, 6918816, 10378224, 20756448]

約数ペア:

[(1, 20756448), (2, 10378224), (3, 6918816), (4, 5189112), (6, 3459408), (8, 2594556), (9, 2306272), (12, 1729704), (16, 1297278), (18, 1153136), (24, 864852), (32, 648639), (36, 576568), (48, 432426), (72, 288284), (96, 216213), (97, 213984), (144, 144142), (194, 106992), (288, 72071), (291, 71328), (388, 53496), (582, 35664), (743, 27936), (776, 26748), (873, 23776), (1164, 17832), (1486, 13968), (1552, 13374), (1746, 11888), (2229, 9312), (2328, 8916), (2972, 6984), (3104, 6687), (3492, 5944), (4458, 4656)]