20308930

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{419}}^1$

素因数の和:594

約数の個数: 32

約数和(自身を含む): 37920960

約数和(自身を除く): 17612030

約数列:

[1, 2, 5, 10, 37, 74, 131, 185, 262, 370, 419, 655, 838, 1310, 2095, 4190, 4847, 9694, 15503, 24235, 31006, 48470, 54889, 77515, 109778, 155030, 274445, 548890, 2030893, 4061786, 10154465, 20308930]

約数ペア:

[(1, 20308930), (2, 10154465), (5, 4061786), (10, 2030893), (37, 548890), (74, 274445), (131, 155030), (185, 109778), (262, 77515), (370, 54889), (419, 48470), (655, 31006), (838, 24235), (1310, 15503), (2095, 9694), (4190, 4847)]