20174220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1$

素因数の和:492

約数の個数: 144

約数和(自身を含む): 69818112

約数和(自身を除く): 49643892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 23, 30, 33, 36, 44, 45, 46, 55, 60, 66, 69, 90, 92, 99, 110, 115, 132, 138, 165, 180, 198, 207, 220, 230, 253, 276, 330, 345, 396, 414, 443, 460, 495, 506, 660, 690, 759, 828, 886, 990, 1012, 1035, 1265, 1329, 1380, 1518, 1772, 1980, 2070, 2215, 2277, 2530, 2658, 3036, 3795, 3987, 4140, 4430, 4554, 4873, 5060, 5316, 6645, 7590, 7974, 8860, 9108, 9746, 10189, 11385, 13290, 14619, 15180, 15948, 19492, 19935, 20378, 22770, 24365, 26580, 29238, 30567, 39870, 40756, 43857, 45540, 48730, 50945, 58476, 61134, 73095, 79740, 87714, 91701, 97460, 101890, 112079, 122268, 146190, 152835, 175428, 183402, 203780, 219285, 224158, 292380, 305670, 336237, 366804, 438570, 448316, 458505, 560395, 611340, 672474, 877140, 917010, 1008711, 1120790, 1344948, 1681185, 1834020, 2017422, 2241580, 3362370, 4034844, 5043555, 6724740, 10087110, 20174220]

約数ペア:

[(1, 20174220), (2, 10087110), (3, 6724740), (4, 5043555), (5, 4034844), (6, 3362370), (9, 2241580), (10, 2017422), (11, 1834020), (12, 1681185), (15, 1344948), (18, 1120790), (20, 1008711), (22, 917010), (23, 877140), (30, 672474), (33, 611340), (36, 560395), (44, 458505), (45, 448316), (46, 438570), (55, 366804), (60, 336237), (66, 305670), (69, 292380), (90, 224158), (92, 219285), (99, 203780), (110, 183402), (115, 175428), (132, 152835), (138, 146190), (165, 122268), (180, 112079), (198, 101890), (207, 97460), (220, 91701), (230, 87714), (253, 79740), (276, 73095), (330, 61134), (345, 58476), (396, 50945), (414, 48730), (443, 45540), (460, 43857), (495, 40756), (506, 39870), (660, 30567), (690, 29238), (759, 26580), (828, 24365), (886, 22770), (990, 20378), (1012, 19935), (1035, 19492), (1265, 15948), (1329, 15180), (1380, 14619), (1518, 13290), (1772, 11385), (1980, 10189), (2070, 9746), (2215, 9108), (2277, 8860), (2530, 7974), (2658, 7590), (3036, 6645), (3795, 5316), (3987, 5060), (4140, 4873), (4430, 4554)]