20816152

素因数分解:

$2^3\times 7^1\times {\mathrm{503}}^1\times {\mathrm{739}}^1$

素因数の和:1255

約数の個数: 32

約数和(自身を含む): 44755200

約数和(自身を除く): 23939048

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 503, 739, 1006, 1478, 2012, 2956, 3521, 4024, 5173, 5912, 7042, 10346, 14084, 20692, 28168, 41384, 371717, 743434, 1486868, 2602019, 2973736, 5204038, 10408076, 20816152]

約数ペア:

[(1, 20816152), (2, 10408076), (4, 5204038), (7, 2973736), (8, 2602019), (14, 1486868), (28, 743434), (56, 371717), (503, 41384), (739, 28168), (1006, 20692), (1478, 14084), (2012, 10346), (2956, 7042), (3521, 5912), (4024, 5173)]