20367160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1129}}^1$

素因数の和:1192

約数の個数: 64

約数和(自身を含む): 51256800

約数和(自身を除く): 30889640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1129, 1640, 1804, 2255, 2258, 3608, 4510, 4516, 5645, 9020, 9032, 11290, 12419, 18040, 22580, 24838, 45160, 46289, 49676, 62095, 92578, 99352, 124190, 185156, 231445, 248380, 370312, 462890, 496760, 509179, 925780, 1018358, 1851560, 2036716, 2545895, 4073432, 5091790, 10183580, 20367160]

約数ペア:

[(1, 20367160), (2, 10183580), (4, 5091790), (5, 4073432), (8, 2545895), (10, 2036716), (11, 1851560), (20, 1018358), (22, 925780), (40, 509179), (41, 496760), (44, 462890), (55, 370312), (82, 248380), (88, 231445), (110, 185156), (164, 124190), (205, 99352), (220, 92578), (328, 62095), (410, 49676), (440, 46289), (451, 45160), (820, 24838), (902, 22580), (1129, 18040), (1640, 12419), (1804, 11290), (2255, 9032), (2258, 9020), (3608, 5645), (4510, 4516)]