20129070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51613}}^1$

素因数の和:51636

約数の個数: 32

約数和(自身を含む): 52026912

約数和(自身を除く): 31897842

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 51613, 103226, 154839, 258065, 309678, 516130, 670969, 774195, 1341938, 1548390, 2012907, 3354845, 4025814, 6709690, 10064535, 20129070]

約数ペア:

[(1, 20129070), (2, 10064535), (3, 6709690), (5, 4025814), (6, 3354845), (10, 2012907), (13, 1548390), (15, 1341938), (26, 774195), (30, 670969), (39, 516130), (65, 309678), (78, 258065), (130, 154839), (195, 103226), (390, 51613)]