20411687560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1093}}^1\times {\mathrm{42443}}^1$

素因数の和:43558

約数の個数: 64

約数和(自身を含む): 50148434880

約数和(自身を除く): 29736747320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1093, 2186, 4372, 5465, 8744, 10930, 12023, 21860, 24046, 42443, 43720, 48092, 60115, 84886, 96184, 120230, 169772, 212215, 240460, 339544, 424430, 466873, 480920, 848860, 933746, 1697720, 1867492, 2334365, 3734984, 4668730, 9337460, 18674920, 46390199, 92780398, 185560796, 231950995, 371121592, 463901990, 510292189, 927803980, 1020584378, 1855607960, 2041168756, 2551460945, 4082337512, 5102921890, 10205843780, 20411687560]

約数ペア:

[(1, 20411687560), (2, 10205843780), (4, 5102921890), (5, 4082337512), (8, 2551460945), (10, 2041168756), (11, 1855607960), (20, 1020584378), (22, 927803980), (40, 510292189), (44, 463901990), (55, 371121592), (88, 231950995), (110, 185560796), (220, 92780398), (440, 46390199), (1093, 18674920), (2186, 9337460), (4372, 4668730), (5465, 3734984), (8744, 2334365), (10930, 1867492), (12023, 1697720), (21860, 933746), (24046, 848860), (42443, 480920), (43720, 466873), (48092, 424430), (60115, 339544), (84886, 240460), (96184, 212215), (120230, 169772)]