20165972008

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{268937}}^1$

素因数の和:269066

約数の個数: 64

約数和(自身を含む): 46988847360

約数和(自身を除く): 26822875352

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 103, 104, 182, 206, 364, 412, 721, 728, 824, 1339, 1442, 2678, 2884, 5356, 5768, 9373, 10712, 18746, 37492, 74984, 268937, 537874, 1075748, 1882559, 2151496, 3496181, 3765118, 6992362, 7530236, 13984724, 15060472, 24473267, 27700511, 27969448, 48946534, 55401022, 97893068, 110802044, 193903577, 195786136, 221604088, 360106643, 387807154, 720213286, 775614308, 1440426572, 1551228616, 2520746501, 2880853144, 5041493002, 10082986004, 20165972008]

約数ペア:

[(1, 20165972008), (2, 10082986004), (4, 5041493002), (7, 2880853144), (8, 2520746501), (13, 1551228616), (14, 1440426572), (26, 775614308), (28, 720213286), (52, 387807154), (56, 360106643), (91, 221604088), (103, 195786136), (104, 193903577), (182, 110802044), (206, 97893068), (364, 55401022), (412, 48946534), (721, 27969448), (728, 27700511), (824, 24473267), (1339, 15060472), (1442, 13984724), (2678, 7530236), (2884, 6992362), (5356, 3765118), (5768, 3496181), (9373, 2151496), (10712, 1882559), (18746, 1075748), (37492, 537874), (74984, 268937)]