20122928

素因数分解:

$2^4\times 7^2\times {\mathrm{25667}}^1$

素因数の和:25689

約数の個数: 30

約数和(自身を含む): 45355356

約数和(自身を除く): 25232428

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 25667, 51334, 102668, 179669, 205336, 359338, 410672, 718676, 1257683, 1437352, 2515366, 2874704, 5030732, 10061464, 20122928]

約数ペア:

[(1, 20122928), (2, 10061464), (4, 5030732), (7, 2874704), (8, 2515366), (14, 1437352), (16, 1257683), (28, 718676), (49, 410672), (56, 359338), (98, 205336), (112, 179669), (196, 102668), (392, 51334), (784, 25667)]