20023160950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{71473}}^1$

素因数の和:71929

約数の個数: 48

約数和(自身を含む): 40201551936

約数和(自身を除く): 20178390986

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 431, 650, 862, 2155, 4310, 5603, 10775, 11206, 21550, 28015, 56030, 71473, 140075, 142946, 280150, 357365, 714730, 929149, 1786825, 1858298, 3573650, 4645745, 9291490, 23228725, 30804863, 46457450, 61609726, 154024315, 308048630, 400463219, 770121575, 800926438, 1540243150, 2002316095, 4004632190, 10011580475, 20023160950]

約数ペア:

[(1, 20023160950), (2, 10011580475), (5, 4004632190), (10, 2002316095), (13, 1540243150), (25, 800926438), (26, 770121575), (50, 400463219), (65, 308048630), (130, 154024315), (325, 61609726), (431, 46457450), (650, 30804863), (862, 23228725), (2155, 9291490), (4310, 4645745), (5603, 3573650), (10775, 1858298), (11206, 1786825), (21550, 929149), (28015, 714730), (56030, 357365), (71473, 280150), (140075, 142946)]