20272460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{757}}^1$

素因数の和:882

約数の個数: 48

約数和(自身を含む): 46353216

約数和(自身を除く): 26080756

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 206, 260, 412, 515, 757, 1030, 1339, 1514, 2060, 2678, 3028, 3785, 5356, 6695, 7570, 9841, 13390, 15140, 19682, 26780, 39364, 49205, 77971, 98410, 155942, 196820, 311884, 389855, 779710, 1013623, 1559420, 2027246, 4054492, 5068115, 10136230, 20272460]

約数ペア:

[(1, 20272460), (2, 10136230), (4, 5068115), (5, 4054492), (10, 2027246), (13, 1559420), (20, 1013623), (26, 779710), (52, 389855), (65, 311884), (103, 196820), (130, 155942), (206, 98410), (260, 77971), (412, 49205), (515, 39364), (757, 26780), (1030, 19682), (1339, 15140), (1514, 13390), (2060, 9841), (2678, 7570), (3028, 6695), (3785, 5356)]