20120939985

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6317}}^1\times {\mathrm{12491}}^1$

素因数の和:18833

約数の個数: 32

約数和(自身を含む): 34095364992

約数和(自身を除く): 13974425007

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 6317, 12491, 18951, 31585, 37473, 62455, 94755, 107389, 187365, 212347, 322167, 536945, 637041, 1061735, 1610835, 3185205, 78905647, 236716941, 394528235, 1183584705, 1341395999, 4024187997, 6706979995, 20120939985]

約数ペア:

[(1, 20120939985), (3, 6706979995), (5, 4024187997), (15, 1341395999), (17, 1183584705), (51, 394528235), (85, 236716941), (255, 78905647), (6317, 3185205), (12491, 1610835), (18951, 1061735), (31585, 637041), (37473, 536945), (62455, 322167), (94755, 212347), (107389, 187365)]