15389420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{45263}}^1$

素因数の和:45289

約数の個数: 24

約数和(自身を含む): 34219584

約数和(自身を除く): 18830164

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 45263, 90526, 181052, 226315, 452630, 769471, 905260, 1538942, 3077884, 3847355, 7694710, 15389420]

約数ペア:

[(1, 15389420), (2, 7694710), (4, 3847355), (5, 3077884), (10, 1538942), (17, 905260), (20, 769471), (34, 452630), (68, 226315), (85, 181052), (170, 90526), (340, 45263)]