20998218

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{2579}}^1$

素因数の和:2666

約数の個数: 32

約数和(自身を含む): 44582400

約数和(自身を除く): 23584182

約数列:

[1, 2, 3, 6, 23, 46, 59, 69, 118, 138, 177, 354, 1357, 2579, 2714, 4071, 5158, 7737, 8142, 15474, 59317, 118634, 152161, 177951, 304322, 355902, 456483, 912966, 3499703, 6999406, 10499109, 20998218]

約数ペア:

[(1, 20998218), (2, 10499109), (3, 6999406), (6, 3499703), (23, 912966), (46, 456483), (59, 355902), (69, 304322), (118, 177951), (138, 152161), (177, 118634), (354, 59317), (1357, 15474), (2579, 8142), (2714, 7737), (4071, 5158)]