20502816

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^2\times {\mathrm{739}}^1$

素因数の和:786

約数の個数: 72

約数和(自身を含む): 57249360

約数和(自身を除く): 36746544

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 68, 96, 102, 136, 204, 272, 289, 408, 544, 578, 739, 816, 867, 1156, 1478, 1632, 1734, 2217, 2312, 2956, 3468, 4434, 4624, 5912, 6936, 8868, 9248, 11824, 12563, 13872, 17736, 23648, 25126, 27744, 35472, 37689, 50252, 70944, 75378, 100504, 150756, 201008, 213571, 301512, 402016, 427142, 603024, 640713, 854284, 1206048, 1281426, 1708568, 2562852, 3417136, 5125704, 6834272, 10251408, 20502816]

約数ペア:

[(1, 20502816), (2, 10251408), (3, 6834272), (4, 5125704), (6, 3417136), (8, 2562852), (12, 1708568), (16, 1281426), (17, 1206048), (24, 854284), (32, 640713), (34, 603024), (48, 427142), (51, 402016), (68, 301512), (96, 213571), (102, 201008), (136, 150756), (204, 100504), (272, 75378), (289, 70944), (408, 50252), (544, 37689), (578, 35472), (739, 27744), (816, 25126), (867, 23648), (1156, 17736), (1478, 13872), (1632, 12563), (1734, 11824), (2217, 9248), (2312, 8868), (2956, 6936), (3468, 5912), (4434, 4624)]