20441625

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^2\times {\mathrm{151}}^1$

素因数の和:207

約数の個数: 48

約数和(自身を含む): 36137088

約数和(自身を除く): 15695463

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 125, 151, 285, 361, 375, 453, 475, 755, 1083, 1425, 1805, 2265, 2375, 2869, 3775, 5415, 7125, 8607, 9025, 11325, 14345, 18875, 27075, 43035, 45125, 54511, 56625, 71725, 135375, 163533, 215175, 272555, 358625, 817665, 1075875, 1362775, 4088325, 6813875, 20441625]

約数ペア:

[(1, 20441625), (3, 6813875), (5, 4088325), (15, 1362775), (19, 1075875), (25, 817665), (57, 358625), (75, 272555), (95, 215175), (125, 163533), (151, 135375), (285, 71725), (361, 56625), (375, 54511), (453, 45125), (475, 43035), (755, 27075), (1083, 18875), (1425, 14345), (1805, 11325), (2265, 9025), (2375, 8607), (2869, 7125), (3775, 5415)]