20009830

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{32803}}^1$

素因数の和:32871

約数の個数: 16

約数和(自身を含む): 36609264

約数和(自身を除く): 16599434

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 32803, 65606, 164015, 328030, 2000983, 4001966, 10004915, 20009830]

約数ペア:

[(1, 20009830), (2, 10004915), (5, 4001966), (10, 2000983), (61, 328030), (122, 164015), (305, 65606), (610, 32803)]