20953736084

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{8443}}^1$

素因数の和:8844

約数の個数: 48

約数和(自身を含む): 38449517568

約数和(自身を除く): 17495781484

約数列:

[1, 2, 4, 43, 47, 86, 94, 172, 188, 307, 614, 1228, 2021, 4042, 8084, 8443, 13201, 14429, 16886, 26402, 28858, 33772, 52804, 57716, 363049, 396821, 620447, 726098, 793642, 1240894, 1452196, 1587284, 2481788, 2592001, 5184002, 10368004, 17063303, 34126606, 68253212, 111456043, 121824047, 222912086, 243648094, 445824172, 487296188, 5238434021, 10476868042, 20953736084]

約数ペア:

[(1, 20953736084), (2, 10476868042), (4, 5238434021), (43, 487296188), (47, 445824172), (86, 243648094), (94, 222912086), (172, 121824047), (188, 111456043), (307, 68253212), (614, 34126606), (1228, 17063303), (2021, 10368004), (4042, 5184002), (8084, 2592001), (8443, 2481788), (13201, 1587284), (14429, 1452196), (16886, 1240894), (26402, 793642), (28858, 726098), (33772, 620447), (52804, 396821), (57716, 363049)]