20527232

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 45532800

約数和(自身を除く): 25005568

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 61, 64, 88, 122, 128, 176, 239, 244, 352, 478, 488, 671, 704, 956, 976, 1342, 1408, 1912, 1952, 2629, 2684, 3824, 3904, 5258, 5368, 7648, 7808, 10516, 10736, 14579, 15296, 21032, 21472, 29158, 30592, 42064, 42944, 58316, 84128, 85888, 116632, 160369, 168256, 233264, 320738, 336512, 466528, 641476, 933056, 1282952, 1866112, 2565904, 5131808, 10263616, 20527232]

約数ペア:

[(1, 20527232), (2, 10263616), (4, 5131808), (8, 2565904), (11, 1866112), (16, 1282952), (22, 933056), (32, 641476), (44, 466528), (61, 336512), (64, 320738), (88, 233264), (122, 168256), (128, 160369), (176, 116632), (239, 85888), (244, 84128), (352, 58316), (478, 42944), (488, 42064), (671, 30592), (704, 29158), (956, 21472), (976, 21032), (1342, 15296), (1408, 14579), (1912, 10736), (1952, 10516), (2629, 7808), (2684, 7648), (3824, 5368), (3904, 5258)]