20626974

素因数分解:

$2^1\times 3^4\times {\mathrm{157}}^1\times {\mathrm{811}}^1$

素因数の和:982

約数の個数: 40

約数和(自身を含む): 46571448

約数和(自身を除く): 25944474

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 157, 162, 314, 471, 811, 942, 1413, 1622, 2433, 2826, 4239, 4866, 7299, 8478, 12717, 14598, 21897, 25434, 43794, 65691, 127327, 131382, 254654, 381981, 763962, 1145943, 2291886, 3437829, 6875658, 10313487, 20626974]

約数ペア:

[(1, 20626974), (2, 10313487), (3, 6875658), (6, 3437829), (9, 2291886), (18, 1145943), (27, 763962), (54, 381981), (81, 254654), (157, 131382), (162, 127327), (314, 65691), (471, 43794), (811, 25434), (942, 21897), (1413, 14598), (1622, 12717), (2433, 8478), (2826, 7299), (4239, 4866)]