20121210

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{24841}}^1$

素因数の和:24860

約数の個数: 40

約数和(自身を含む): 54105876

約数和(自身を除く): 33984666

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 24841, 49682, 74523, 124205, 149046, 223569, 248410, 372615, 447138, 670707, 745230, 1117845, 1341414, 2012121, 2235690, 3353535, 4024242, 6707070, 10060605, 20121210]

約数ペア:

[(1, 20121210), (2, 10060605), (3, 6707070), (5, 4024242), (6, 3353535), (9, 2235690), (10, 2012121), (15, 1341414), (18, 1117845), (27, 745230), (30, 670707), (45, 447138), (54, 372615), (81, 248410), (90, 223569), (135, 149046), (162, 124205), (270, 74523), (405, 49682), (810, 24841)]