20447970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1619}}^1$

素因数の和:2050

約数の個数: 32

約数和(自身を含む): 49222080

約数和(自身を除く): 28774110

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 421, 842, 1263, 1619, 2105, 2526, 3238, 4210, 4857, 6315, 8095, 9714, 12630, 16190, 24285, 48570, 681599, 1363198, 2044797, 3407995, 4089594, 6815990, 10223985, 20447970]

約数ペア:

[(1, 20447970), (2, 10223985), (3, 6815990), (5, 4089594), (6, 3407995), (10, 2044797), (15, 1363198), (30, 681599), (421, 48570), (842, 24285), (1263, 16190), (1619, 12630), (2105, 9714), (2526, 8095), (3238, 6315), (4210, 4857)]