20533058

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:327

約数の個数: 48

約数和(自身を含む): 39299904

約数和(自身を除く): 18766846

約数列:

[1, 2, 7, 13, 14, 26, 49, 71, 91, 98, 142, 182, 227, 454, 497, 637, 923, 994, 1274, 1589, 1846, 2951, 3178, 3479, 5902, 6461, 6958, 11123, 12922, 16117, 20657, 22246, 32234, 41314, 45227, 90454, 112819, 144599, 209521, 225638, 289198, 419042, 789733, 1466647, 1579466, 2933294, 10266529, 20533058]

約数ペア:

[(1, 20533058), (2, 10266529), (7, 2933294), (13, 1579466), (14, 1466647), (26, 789733), (49, 419042), (71, 289198), (91, 225638), (98, 209521), (142, 144599), (182, 112819), (227, 90454), (454, 45227), (497, 41314), (637, 32234), (923, 22246), (994, 20657), (1274, 16117), (1589, 12922), (1846, 11123), (2951, 6958), (3178, 6461), (3479, 5902)]