20301190

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3187}}^1$

素因数の和:3221

約数の個数: 48

約数和(自身を含む): 45792432

約数和(自身を除く): 25491242

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 3187, 6370, 6374, 15935, 22309, 31870, 41431, 44618, 82862, 111545, 156163, 207155, 223090, 290017, 312326, 414310, 580034, 780815, 1450085, 1561630, 2030119, 2900170, 4060238, 10150595, 20301190]

約数ペア:

[(1, 20301190), (2, 10150595), (5, 4060238), (7, 2900170), (10, 2030119), (13, 1561630), (14, 1450085), (26, 780815), (35, 580034), (49, 414310), (65, 312326), (70, 290017), (91, 223090), (98, 207155), (130, 156163), (182, 111545), (245, 82862), (455, 44618), (490, 41431), (637, 31870), (910, 22309), (1274, 15935), (3185, 6374), (3187, 6370)]