2051205420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{163573}}^1$

素因数の和:163615

約数の個数: 96

約数和(自身を含む): 6595303680

約数和(自身を除く): 4544098260

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 30, 33, 38, 44, 55, 57, 60, 66, 76, 95, 110, 114, 132, 165, 190, 209, 220, 228, 285, 330, 380, 418, 570, 627, 660, 836, 1045, 1140, 1254, 2090, 2508, 3135, 4180, 6270, 12540, 163573, 327146, 490719, 654292, 817865, 981438, 1635730, 1799303, 1962876, 2453595, 3107887, 3271460, 3598606, 4907190, 5397909, 6215774, 7197212, 8996515, 9323661, 9814380, 10795818, 12431548, 15539435, 17993030, 18647322, 21591636, 26989545, 31078870, 34186757, 35986060, 37294644, 46618305, 53979090, 62157740, 68373514, 93236610, 102560271, 107958180, 136747028, 170933785, 186473220, 205120542, 341867570, 410241084, 512801355, 683735140, 1025602710, 2051205420]

約数ペア:

[(1, 2051205420), (2, 1025602710), (3, 683735140), (4, 512801355), (5, 410241084), (6, 341867570), (10, 205120542), (11, 186473220), (12, 170933785), (15, 136747028), (19, 107958180), (20, 102560271), (22, 93236610), (30, 68373514), (33, 62157740), (38, 53979090), (44, 46618305), (55, 37294644), (57, 35986060), (60, 34186757), (66, 31078870), (76, 26989545), (95, 21591636), (110, 18647322), (114, 17993030), (132, 15539435), (165, 12431548), (190, 10795818), (209, 9814380), (220, 9323661), (228, 8996515), (285, 7197212), (330, 6215774), (380, 5397909), (418, 4907190), (570, 3598606), (627, 3271460), (660, 3107887), (836, 2453595), (1045, 1962876), (1140, 1799303), (1254, 1635730), (2090, 981438), (2508, 817865), (3135, 654292), (4180, 490719), (6270, 327146), (12540, 163573)]