20154729764

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{289463}}^1$

素因数の和:289596

約数の個数: 36

約数和(自身を含む): 38563551936

約数和(自身を除く): 18408822172

約数列:

[1, 2, 4, 13, 26, 52, 103, 169, 206, 338, 412, 676, 1339, 2678, 5356, 17407, 34814, 69628, 289463, 578926, 1157852, 3763019, 7526038, 15052076, 29814689, 48919247, 59629378, 97838494, 119258756, 195676988, 387590957, 775181914, 1550363828, 5038682441, 10077364882, 20154729764]

約数ペア:

[(1, 20154729764), (2, 10077364882), (4, 5038682441), (13, 1550363828), (26, 775181914), (52, 387590957), (103, 195676988), (169, 119258756), (206, 97838494), (338, 59629378), (412, 48919247), (676, 29814689), (1339, 15052076), (2678, 7526038), (5356, 3763019), (17407, 1157852), (34814, 578926), (69628, 289463)]