20838116

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{7561}}^1$

素因数の和:7631

約数の個数: 24

約数和(自身を含む): 40018104

約数和(自身を除く): 19179988

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 7561, 15122, 30244, 98293, 196586, 393172, 400733, 801466, 1602932, 5209529, 10419058, 20838116]

約数ペア:

[(1, 20838116), (2, 10419058), (4, 5209529), (13, 1602932), (26, 801466), (52, 400733), (53, 393172), (106, 196586), (212, 98293), (689, 30244), (1378, 15122), (2756, 7561)]