20478432

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:356

約数の個数: 96

約数和(自身を含む): 59058720

約数和(自身を除く): 38580288

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 61, 78, 96, 104, 122, 156, 183, 208, 244, 269, 312, 366, 416, 488, 538, 624, 732, 793, 807, 976, 1076, 1248, 1464, 1586, 1614, 1952, 2152, 2379, 2928, 3172, 3228, 3497, 4304, 4758, 5856, 6344, 6456, 6994, 8608, 9516, 10491, 12688, 12912, 13988, 16409, 19032, 20982, 25376, 25824, 27976, 32818, 38064, 41964, 49227, 55952, 65636, 76128, 83928, 98454, 111904, 131272, 167856, 196908, 213317, 262544, 335712, 393816, 426634, 525088, 639951, 787632, 853268, 1279902, 1575264, 1706536, 2559804, 3413072, 5119608, 6826144, 10239216, 20478432]

約数ペア:

[(1, 20478432), (2, 10239216), (3, 6826144), (4, 5119608), (6, 3413072), (8, 2559804), (12, 1706536), (13, 1575264), (16, 1279902), (24, 853268), (26, 787632), (32, 639951), (39, 525088), (48, 426634), (52, 393816), (61, 335712), (78, 262544), (96, 213317), (104, 196908), (122, 167856), (156, 131272), (183, 111904), (208, 98454), (244, 83928), (269, 76128), (312, 65636), (366, 55952), (416, 49227), (488, 41964), (538, 38064), (624, 32818), (732, 27976), (793, 25824), (807, 25376), (976, 20982), (1076, 19032), (1248, 16409), (1464, 13988), (1586, 12912), (1614, 12688), (1952, 10491), (2152, 9516), (2379, 8608), (2928, 6994), (3172, 6456), (3228, 6344), (3497, 5856), (4304, 4758)]