20416350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{1039}}^1$

素因数の和:1185

約数の個数: 48

約数和(自身を含む): 51068160

約数和(自身を除く): 30651810

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 131, 150, 262, 393, 655, 786, 1039, 1310, 1965, 2078, 3117, 3275, 3930, 5195, 6234, 6550, 9825, 10390, 15585, 19650, 25975, 31170, 51950, 77925, 136109, 155850, 272218, 408327, 680545, 816654, 1361090, 2041635, 3402725, 4083270, 6805450, 10208175, 20416350]

約数ペア:

[(1, 20416350), (2, 10208175), (3, 6805450), (5, 4083270), (6, 3402725), (10, 2041635), (15, 1361090), (25, 816654), (30, 680545), (50, 408327), (75, 272218), (131, 155850), (150, 136109), (262, 77925), (393, 51950), (655, 31170), (786, 25975), (1039, 19650), (1310, 15585), (1965, 10390), (2078, 9825), (3117, 6550), (3275, 6234), (3930, 5195)]