20121458728

素因数分解:

$2^3\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1569047}}^1$

素因数の和:1569289

約数の個数: 32

約数和(自身を含む): 43305724800

約数和(自身を除く): 23184266072

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 229, 458, 916, 1603, 1832, 3206, 6412, 12824, 1569047, 3138094, 6276188, 10983329, 12552376, 21966658, 43933316, 87866632, 359311763, 718623526, 1437247052, 2515182341, 2874494104, 5030364682, 10060729364, 20121458728]

約数ペア:

[(1, 20121458728), (2, 10060729364), (4, 5030364682), (7, 2874494104), (8, 2515182341), (14, 1437247052), (28, 718623526), (56, 359311763), (229, 87866632), (458, 43933316), (916, 21966658), (1603, 12552376), (1832, 10983329), (3206, 6276188), (6412, 3138094), (12824, 1569047)]