20145977878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1427}}^1\times {\mathrm{6101}}^1$

素因数の和:7632

約数の個数: 32

約数和(自身を含む): 32937619680

約数和(自身を除く): 12791641802

約数列:

[1, 2, 13, 26, 89, 178, 1157, 1427, 2314, 2854, 6101, 12202, 18551, 37102, 79313, 127003, 158626, 254006, 542989, 1085978, 1651039, 3302078, 7058857, 8706127, 14117714, 17412254, 113179651, 226359302, 774845303, 1549690606, 10072988939, 20145977878]

約数ペア:

[(1, 20145977878), (2, 10072988939), (13, 1549690606), (26, 774845303), (89, 226359302), (178, 113179651), (1157, 17412254), (1427, 14117714), (2314, 8706127), (2854, 7058857), (6101, 3302078), (12202, 1651039), (18551, 1085978), (37102, 542989), (79313, 254006), (127003, 158626)]