20495958

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{2131}}^1$

素因数の和:2372

約数の個数: 32

約数和(自身を含む): 47074560

約数和(自身を除く): 26578602

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 229, 458, 687, 1374, 1603, 2131, 3206, 4262, 4809, 6393, 9618, 12786, 14917, 29834, 44751, 89502, 487999, 975998, 1463997, 2927994, 3415993, 6831986, 10247979, 20495958]

約数ペア:

[(1, 20495958), (2, 10247979), (3, 6831986), (6, 3415993), (7, 2927994), (14, 1463997), (21, 975998), (42, 487999), (229, 89502), (458, 44751), (687, 29834), (1374, 14917), (1603, 12786), (2131, 9618), (3206, 6393), (4262, 4809)]