20763664

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3319}}^1$

素因数の和:3367

約数の個数: 40

約数和(自身を含む): 44461440

約数和(自身を除く): 23697776

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 68, 92, 136, 184, 272, 368, 391, 782, 1564, 3128, 3319, 6256, 6638, 13276, 26552, 53104, 56423, 76337, 112846, 152674, 225692, 305348, 451384, 610696, 902768, 1221392, 1297729, 2595458, 5190916, 10381832, 20763664]

約数ペア:

[(1, 20763664), (2, 10381832), (4, 5190916), (8, 2595458), (16, 1297729), (17, 1221392), (23, 902768), (34, 610696), (46, 451384), (68, 305348), (92, 225692), (136, 152674), (184, 112846), (272, 76337), (368, 56423), (391, 53104), (782, 26552), (1564, 13276), (3128, 6638), (3319, 6256)]