20186541844

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1\times {\mathrm{853}}^1$

素因数の和:1385

約数の個数: 96

約数和(自身を含む): 42394254336

約数和(自身を除く): 22207712492

約数列:

[1, 2, 4, 7, 14, 28, 37, 53, 74, 106, 148, 212, 259, 371, 431, 518, 742, 853, 862, 1036, 1484, 1706, 1724, 1961, 3017, 3412, 3922, 5971, 6034, 7844, 11942, 12068, 13727, 15947, 22843, 23884, 27454, 31561, 31894, 45209, 45686, 54908, 63122, 63788, 90418, 91372, 111629, 126244, 159901, 180836, 220927, 223258, 316463, 319802, 367643, 441854, 446516, 632926, 639604, 735286, 845191, 883708, 1265852, 1470572, 1672733, 1690382, 2573501, 3345466, 3380764, 5147002, 5916337, 6690932, 10294004, 11709131, 11832674, 13602791, 19485079, 23418262, 23665348, 27205582, 38970158, 46836524, 54411164, 77940316, 95219537, 136395553, 190439074, 272791106, 380878148, 545582212, 720947923, 1441895846, 2883791692, 5046635461, 10093270922, 20186541844]

約数ペア:

[(1, 20186541844), (2, 10093270922), (4, 5046635461), (7, 2883791692), (14, 1441895846), (28, 720947923), (37, 545582212), (53, 380878148), (74, 272791106), (106, 190439074), (148, 136395553), (212, 95219537), (259, 77940316), (371, 54411164), (431, 46836524), (518, 38970158), (742, 27205582), (853, 23665348), (862, 23418262), (1036, 19485079), (1484, 13602791), (1706, 11832674), (1724, 11709131), (1961, 10294004), (3017, 6690932), (3412, 5916337), (3922, 5147002), (5971, 3380764), (6034, 3345466), (7844, 2573501), (11942, 1690382), (12068, 1672733), (13727, 1470572), (15947, 1265852), (22843, 883708), (23884, 845191), (27454, 735286), (31561, 639604), (31894, 632926), (45209, 446516), (45686, 441854), (54908, 367643), (63122, 319802), (63788, 316463), (90418, 223258), (91372, 220927), (111629, 180836), (126244, 159901)]