20372190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1613}}^1$

素因数の和:2044

約数の個数: 32

約数和(自身を含む): 49039776

約数和(自身を除く): 28667586

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 421, 842, 1263, 1613, 2105, 2526, 3226, 4210, 4839, 6315, 8065, 9678, 12630, 16130, 24195, 48390, 679073, 1358146, 2037219, 3395365, 4074438, 6790730, 10186095, 20372190]

約数ペア:

[(1, 20372190), (2, 10186095), (3, 6790730), (5, 4074438), (6, 3395365), (10, 2037219), (15, 1358146), (30, 679073), (421, 48390), (842, 24195), (1263, 16130), (1613, 12630), (2105, 9678), (2526, 8065), (3226, 6315), (4210, 4839)]