20739465

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14867}}^1$

素因数の和:14909

約数の個数: 24

約数和(自身を含む): 37110528

約数和(自身を除く): 16371063

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 14867, 44601, 74335, 133803, 223005, 460877, 669015, 1382631, 2304385, 4147893, 6913155, 20739465]

約数ペア:

[(1, 20739465), (3, 6913155), (5, 4147893), (9, 2304385), (15, 1382631), (31, 669015), (45, 460877), (93, 223005), (155, 133803), (279, 74335), (465, 44601), (1395, 14867)]