20789250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{53}}^1\times {\mathrm{523}}^1$

素因数の和:596

約数の個数: 64

約数和(自身を含む): 52970112

約数和(自身を除く): 32180862

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 53, 75, 106, 125, 150, 159, 250, 265, 318, 375, 523, 530, 750, 795, 1046, 1325, 1569, 1590, 2615, 2650, 3138, 3975, 5230, 6625, 7845, 7950, 13075, 13250, 15690, 19875, 26150, 27719, 39225, 39750, 55438, 65375, 78450, 83157, 130750, 138595, 166314, 196125, 277190, 392250, 415785, 692975, 831570, 1385950, 2078925, 3464875, 4157850, 6929750, 10394625, 20789250]

約数ペア:

[(1, 20789250), (2, 10394625), (3, 6929750), (5, 4157850), (6, 3464875), (10, 2078925), (15, 1385950), (25, 831570), (30, 692975), (50, 415785), (53, 392250), (75, 277190), (106, 196125), (125, 166314), (150, 138595), (159, 130750), (250, 83157), (265, 78450), (318, 65375), (375, 55438), (523, 39750), (530, 39225), (750, 27719), (795, 26150), (1046, 19875), (1325, 15690), (1569, 13250), (1590, 13075), (2615, 7950), (2650, 7845), (3138, 6625), (3975, 5230)]