20211270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1697}}^1$

素因数の和:2104

約数の個数: 32

約数和(自身を含む): 48657888

約数和(自身を除く): 28446618

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 397, 794, 1191, 1697, 1985, 2382, 3394, 3970, 5091, 5955, 8485, 10182, 11910, 16970, 25455, 50910, 673709, 1347418, 2021127, 3368545, 4042254, 6737090, 10105635, 20211270]

約数ペア:

[(1, 20211270), (2, 10105635), (3, 6737090), (5, 4042254), (6, 3368545), (10, 2021127), (15, 1347418), (30, 673709), (397, 50910), (794, 25455), (1191, 16970), (1697, 11910), (1985, 10182), (2382, 8485), (3394, 5955), (3970, 5091)]