20882528

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1669}}^1$

素因数の和:1719

約数の個数: 48

約数和(自身を含む): 45450720

約数和(自身を除く): 24568192

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 68, 92, 136, 184, 272, 368, 391, 544, 736, 782, 1564, 1669, 3128, 3338, 6256, 6676, 12512, 13352, 26704, 28373, 38387, 53408, 56746, 76774, 113492, 153548, 226984, 307096, 453968, 614192, 652579, 907936, 1228384, 1305158, 2610316, 5220632, 10441264, 20882528]

約数ペア:

[(1, 20882528), (2, 10441264), (4, 5220632), (8, 2610316), (16, 1305158), (17, 1228384), (23, 907936), (32, 652579), (34, 614192), (46, 453968), (68, 307096), (92, 226984), (136, 153548), (184, 113492), (272, 76774), (368, 56746), (391, 53408), (544, 38387), (736, 28373), (782, 26704), (1564, 13352), (1669, 12512), (3128, 6676), (3338, 6256)]