20006532008

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{383}}^1\times {\mathrm{7247}}^1$

素因数の和:7706

約数の個数: 64

約数和(自身を含む): 40579522560

約数和(自身を除く): 20572990552

約数列:

[1, 2, 4, 8, 17, 34, 53, 68, 106, 136, 212, 383, 424, 766, 901, 1532, 1802, 3064, 3604, 6511, 7208, 7247, 13022, 14494, 20299, 26044, 28988, 40598, 52088, 57976, 81196, 123199, 162392, 246398, 345083, 384091, 492796, 690166, 768182, 985592, 1380332, 1536364, 2760664, 2775601, 3072728, 5551202, 6529547, 11102404, 13059094, 22204808, 26118188, 47185217, 52236376, 94370434, 147106853, 188740868, 294213706, 377481736, 588427412, 1176854824, 2500816501, 5001633002, 10003266004, 20006532008]

約数ペア:

[(1, 20006532008), (2, 10003266004), (4, 5001633002), (8, 2500816501), (17, 1176854824), (34, 588427412), (53, 377481736), (68, 294213706), (106, 188740868), (136, 147106853), (212, 94370434), (383, 52236376), (424, 47185217), (766, 26118188), (901, 22204808), (1532, 13059094), (1802, 11102404), (3064, 6529547), (3604, 5551202), (6511, 3072728), (7208, 2775601), (7247, 2760664), (13022, 1536364), (14494, 1380332), (20299, 985592), (26044, 768182), (28988, 690166), (40598, 492796), (52088, 384091), (57976, 345083), (81196, 246398), (123199, 162392)]