20609875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1153}}^1$

素因数の和:1192

約数の個数: 32

約数和(自身を含む): 30244032

約数和(自身を除く): 9634157

約数列:

[1, 5, 11, 13, 25, 55, 65, 125, 143, 275, 325, 715, 1153, 1375, 1625, 3575, 5765, 12683, 14989, 17875, 28825, 63415, 74945, 144125, 164879, 317075, 374725, 824395, 1585375, 1873625, 4121975, 20609875]

約数ペア:

[(1, 20609875), (5, 4121975), (11, 1873625), (13, 1585375), (25, 824395), (55, 374725), (65, 317075), (125, 164879), (143, 144125), (275, 74945), (325, 63415), (715, 28825), (1153, 17875), (1375, 14989), (1625, 12683), (3575, 5765)]