20709810

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1$

素因数の和:413

約数の個数: 128

約数和(自身を含む): 63590400

約数和(自身を除く): 42880590

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 19, 22, 27, 30, 33, 38, 45, 54, 55, 57, 66, 90, 95, 99, 110, 114, 135, 165, 171, 190, 198, 209, 270, 285, 297, 330, 342, 367, 418, 495, 513, 570, 594, 627, 734, 855, 990, 1026, 1045, 1101, 1254, 1485, 1710, 1835, 1881, 2090, 2202, 2565, 2970, 3135, 3303, 3670, 3762, 4037, 5130, 5505, 5643, 6270, 6606, 6973, 8074, 9405, 9909, 11010, 11286, 12111, 13946, 16515, 18810, 19818, 20185, 20919, 24222, 28215, 33030, 34865, 36333, 40370, 41838, 49545, 56430, 60555, 62757, 69730, 72666, 76703, 99090, 104595, 108999, 121110, 125514, 153406, 181665, 188271, 209190, 217998, 230109, 313785, 363330, 376542, 383515, 460218, 544995, 627570, 690327, 767030, 941355, 1089990, 1150545, 1380654, 1882710, 2070981, 2301090, 3451635, 4141962, 6903270, 10354905, 20709810]

約数ペア:

[(1, 20709810), (2, 10354905), (3, 6903270), (5, 4141962), (6, 3451635), (9, 2301090), (10, 2070981), (11, 1882710), (15, 1380654), (18, 1150545), (19, 1089990), (22, 941355), (27, 767030), (30, 690327), (33, 627570), (38, 544995), (45, 460218), (54, 383515), (55, 376542), (57, 363330), (66, 313785), (90, 230109), (95, 217998), (99, 209190), (110, 188271), (114, 181665), (135, 153406), (165, 125514), (171, 121110), (190, 108999), (198, 104595), (209, 99090), (270, 76703), (285, 72666), (297, 69730), (330, 62757), (342, 60555), (367, 56430), (418, 49545), (495, 41838), (513, 40370), (570, 36333), (594, 34865), (627, 33030), (734, 28215), (855, 24222), (990, 20919), (1026, 20185), (1045, 19818), (1101, 18810), (1254, 16515), (1485, 13946), (1710, 12111), (1835, 11286), (1881, 11010), (2090, 9909), (2202, 9405), (2565, 8074), (2970, 6973), (3135, 6606), (3303, 6270), (3670, 5643), (3762, 5505), (4037, 5130)]