20655024

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:522

約数の個数: 80

約数和(自身を含む): 58329600

約数和(自身を除く): 37674576

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 79, 104, 156, 158, 208, 237, 312, 316, 419, 474, 624, 632, 838, 948, 1027, 1257, 1264, 1676, 1896, 2054, 2514, 3081, 3352, 3792, 4108, 5028, 5447, 6162, 6704, 8216, 10056, 10894, 12324, 16341, 16432, 20112, 21788, 24648, 32682, 33101, 43576, 49296, 65364, 66202, 87152, 99303, 130728, 132404, 198606, 261456, 264808, 397212, 430313, 529616, 794424, 860626, 1290939, 1588848, 1721252, 2581878, 3442504, 5163756, 6885008, 10327512, 20655024]

約数ペア:

[(1, 20655024), (2, 10327512), (3, 6885008), (4, 5163756), (6, 3442504), (8, 2581878), (12, 1721252), (13, 1588848), (16, 1290939), (24, 860626), (26, 794424), (39, 529616), (48, 430313), (52, 397212), (78, 264808), (79, 261456), (104, 198606), (156, 132404), (158, 130728), (208, 99303), (237, 87152), (312, 66202), (316, 65364), (419, 49296), (474, 43576), (624, 33101), (632, 32682), (838, 24648), (948, 21788), (1027, 20112), (1257, 16432), (1264, 16341), (1676, 12324), (1896, 10894), (2054, 10056), (2514, 8216), (3081, 6704), (3352, 6162), (3792, 5447), (4108, 5028)]