20619158

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:372

約数の個数: 32

約数和(自身を含む): 36341760

約数和(自身を除く): 15722602

約数列:

[1, 2, 7, 14, 79, 103, 158, 181, 206, 362, 553, 721, 1106, 1267, 1442, 2534, 8137, 14299, 16274, 18643, 28598, 37286, 56959, 100093, 113918, 130501, 200186, 261002, 1472797, 2945594, 10309579, 20619158]

約数ペア:

[(1, 20619158), (2, 10309579), (7, 2945594), (14, 1472797), (79, 261002), (103, 200186), (158, 130501), (181, 113918), (206, 100093), (362, 56959), (553, 37286), (721, 28598), (1106, 18643), (1267, 16274), (1442, 14299), (2534, 8137)]