20750820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1091}}^1$

素因数の和:1420

約数の個数: 48

約数和(自身を含む): 58339008

約数和(自身を除く): 37588188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 317, 634, 951, 1091, 1268, 1585, 1902, 2182, 3170, 3273, 3804, 4364, 4755, 5455, 6340, 6546, 9510, 10910, 13092, 16365, 19020, 21820, 32730, 65460, 345847, 691694, 1037541, 1383388, 1729235, 2075082, 3458470, 4150164, 5187705, 6916940, 10375410, 20750820]

約数ペア:

[(1, 20750820), (2, 10375410), (3, 6916940), (4, 5187705), (5, 4150164), (6, 3458470), (10, 2075082), (12, 1729235), (15, 1383388), (20, 1037541), (30, 691694), (60, 345847), (317, 65460), (634, 32730), (951, 21820), (1091, 19020), (1268, 16365), (1585, 13092), (1902, 10910), (2182, 9510), (3170, 6546), (3273, 6340), (3804, 5455), (4364, 4755)]