20822145

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{317}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 34801920

約数和(自身を除く): 13979775

約数列:

[1, 3, 5, 15, 29, 87, 145, 151, 317, 435, 453, 755, 951, 1585, 2265, 4379, 4755, 9193, 13137, 21895, 27579, 45965, 47867, 65685, 137895, 143601, 239335, 718005, 1388143, 4164429, 6940715, 20822145]

約数ペア:

[(1, 20822145), (3, 6940715), (5, 4164429), (15, 1388143), (29, 718005), (87, 239335), (145, 143601), (151, 137895), (317, 65685), (435, 47867), (453, 45965), (755, 27579), (951, 21895), (1585, 13137), (2265, 9193), (4379, 4755)]