20798816

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{13829}}^1$

素因数の和:13886

約数の個数: 24

約数和(自身を含む): 41821920

約数和(自身を除く): 21023104

約数列:

[1, 2, 4, 8, 16, 32, 47, 94, 188, 376, 752, 1504, 13829, 27658, 55316, 110632, 221264, 442528, 649963, 1299926, 2599852, 5199704, 10399408, 20798816]

約数ペア:

[(1, 20798816), (2, 10399408), (4, 5199704), (8, 2599852), (16, 1299926), (32, 649963), (47, 442528), (94, 221264), (188, 110632), (376, 55316), (752, 27658), (1504, 13829)]