20674316

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{2633}}^1$

素因数の和:2801

約数の個数: 24

約数和(自身を含む): 39236064

約数和(自身を除く): 18561748

約数列:

[1, 2, 4, 13, 26, 52, 151, 302, 604, 1963, 2633, 3926, 5266, 7852, 10532, 34229, 68458, 136916, 397583, 795166, 1590332, 5168579, 10337158, 20674316]

約数ペア:

[(1, 20674316), (2, 10337158), (4, 5168579), (13, 1590332), (26, 795166), (52, 397583), (151, 136916), (302, 68458), (604, 34229), (1963, 10532), (2633, 7852), (3926, 5266)]