20178194220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1419001}}^1$

素因数の和:1419095

約数の個数: 72

約数和(自身を含む): 61982007360

約数和(自身を除く): 41803813140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 3555, 4740, 7110, 14220, 1419001, 2838002, 4257003, 5676004, 7095005, 8514006, 12771009, 14190010, 17028012, 21285015, 25542018, 28380020, 42570030, 51084036, 63855045, 85140060, 112101079, 127710090, 224202158, 255420180, 336303237, 448404316, 560505395, 672606474, 1008909711, 1121010790, 1345212948, 1681516185, 2017819422, 2242021580, 3363032370, 4035638844, 5044548555, 6726064740, 10089097110, 20178194220]

約数ペア:

[(1, 20178194220), (2, 10089097110), (3, 6726064740), (4, 5044548555), (5, 4035638844), (6, 3363032370), (9, 2242021580), (10, 2017819422), (12, 1681516185), (15, 1345212948), (18, 1121010790), (20, 1008909711), (30, 672606474), (36, 560505395), (45, 448404316), (60, 336303237), (79, 255420180), (90, 224202158), (158, 127710090), (180, 112101079), (237, 85140060), (316, 63855045), (395, 51084036), (474, 42570030), (711, 28380020), (790, 25542018), (948, 21285015), (1185, 17028012), (1422, 14190010), (1580, 12771009), (2370, 8514006), (2844, 7095005), (3555, 5676004), (4740, 4257003), (7110, 2838002), (14220, 1419001)]