20344215

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{653}}^1$

素因数の和:759

約数の個数: 32

約数和(自身を含む): 34154496

約数和(自身を除く): 13810281

約数列:

[1, 3, 5, 15, 31, 67, 93, 155, 201, 335, 465, 653, 1005, 1959, 2077, 3265, 6231, 9795, 10385, 20243, 31155, 43751, 60729, 101215, 131253, 218755, 303645, 656265, 1356281, 4068843, 6781405, 20344215]

約数ペア:

[(1, 20344215), (3, 6781405), (5, 4068843), (15, 1356281), (31, 656265), (67, 303645), (93, 218755), (155, 131253), (201, 101215), (335, 60729), (465, 43751), (653, 31155), (1005, 20243), (1959, 10385), (2077, 9795), (3265, 6231)]