20485590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2063}}^1$

素因数の和:2404

約数の個数: 32

約数和(自身を含む): 49337856

約数和(自身を除く): 28852266

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 331, 662, 993, 1655, 1986, 2063, 3310, 4126, 4965, 6189, 9930, 10315, 12378, 20630, 30945, 61890, 682853, 1365706, 2048559, 3414265, 4097118, 6828530, 10242795, 20485590]

約数ペア:

[(1, 20485590), (2, 10242795), (3, 6828530), (5, 4097118), (6, 3414265), (10, 2048559), (15, 1365706), (30, 682853), (331, 61890), (662, 30945), (993, 20630), (1655, 12378), (1986, 10315), (2063, 9930), (3310, 6189), (4126, 4965)]