20713636

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{809}}^1$

素因数の和:1023

約数の個数: 24

約数和(自身を含む): 37490040

約数和(自身を除く): 16776404

約数列:

[1, 2, 4, 37, 74, 148, 173, 346, 692, 809, 1618, 3236, 6401, 12802, 25604, 29933, 59866, 119732, 139957, 279914, 559828, 5178409, 10356818, 20713636]

約数ペア:

[(1, 20713636), (2, 10356818), (4, 5178409), (37, 559828), (74, 279914), (148, 139957), (173, 119732), (346, 59866), (692, 29933), (809, 25604), (1618, 12802), (3236, 6401)]