19800764

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{617}}^1$

素因数の和:805

約数の個数: 24

約数和(自身を含む): 35507808

約数和(自身を除く): 15707044

約数列:

[1, 2, 4, 71, 113, 142, 226, 284, 452, 617, 1234, 2468, 8023, 16046, 32092, 43807, 69721, 87614, 139442, 175228, 278884, 4950191, 9900382, 19800764]

約数ペア:

[(1, 19800764), (2, 9900382), (4, 4950191), (71, 278884), (113, 175228), (142, 139442), (226, 87614), (284, 69721), (452, 43807), (617, 32092), (1234, 16046), (2468, 8023)]