20155951875

素因数分解:

$3^1\times 5^4\times {\mathrm{151}}^1\times {\mathrm{71191}}^1$

素因数の和:71365

約数の個数: 40

約数和(自身を含む): 33805378816

約数和(自身を除く): 13649426941

約数列:

[1, 3, 5, 15, 25, 75, 125, 151, 375, 453, 625, 755, 1875, 2265, 3775, 11325, 18875, 56625, 71191, 94375, 213573, 283125, 355955, 1067865, 1779775, 5339325, 8898875, 10749841, 26696625, 32249523, 44494375, 53749205, 133483125, 161247615, 268746025, 806238075, 1343730125, 4031190375, 6718650625, 20155951875]

約数ペア:

[(1, 20155951875), (3, 6718650625), (5, 4031190375), (15, 1343730125), (25, 806238075), (75, 268746025), (125, 161247615), (151, 133483125), (375, 53749205), (453, 44494375), (625, 32249523), (755, 26696625), (1875, 10749841), (2265, 8898875), (3775, 5339325), (11325, 1779775), (18875, 1067865), (56625, 355955), (71191, 283125), (94375, 213573)]