20107140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{6323}}^1$

素因数の和:6388

約数の個数: 48

約数和(自身を含む): 57371328

約数和(自身を除く): 37264188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 1060, 1590, 3180, 6323, 12646, 18969, 25292, 31615, 37938, 63230, 75876, 94845, 126460, 189690, 335119, 379380, 670238, 1005357, 1340476, 1675595, 2010714, 3351190, 4021428, 5026785, 6702380, 10053570, 20107140]

約数ペア:

[(1, 20107140), (2, 10053570), (3, 6702380), (4, 5026785), (5, 4021428), (6, 3351190), (10, 2010714), (12, 1675595), (15, 1340476), (20, 1005357), (30, 670238), (53, 379380), (60, 335119), (106, 189690), (159, 126460), (212, 94845), (265, 75876), (318, 63230), (530, 37938), (636, 31615), (795, 25292), (1060, 18969), (1590, 12646), (3180, 6323)]