20736904

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{601}}^1$

素因数の和:853

約数の個数: 32

約数和(自身を含む): 41176800

約数和(自身を除く): 20439896

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 227, 454, 601, 908, 1202, 1816, 2404, 4313, 4808, 8626, 11419, 17252, 22838, 34504, 45676, 91352, 136427, 272854, 545708, 1091416, 2592113, 5184226, 10368452, 20736904]

約数ペア:

[(1, 20736904), (2, 10368452), (4, 5184226), (8, 2592113), (19, 1091416), (38, 545708), (76, 272854), (152, 136427), (227, 91352), (454, 45676), (601, 34504), (908, 22838), (1202, 17252), (1816, 11419), (2404, 8626), (4313, 4808)]