20279272

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{859}}^1$

素因数の和:1105

約数の個数: 32

約数和(自身を含む): 41176800

約数和(自身を除く): 20897528

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 227, 454, 859, 908, 1718, 1816, 2951, 3436, 5902, 6872, 11167, 11804, 22334, 23608, 44668, 89336, 194993, 389986, 779972, 1559944, 2534909, 5069818, 10139636, 20279272]

約数ペア:

[(1, 20279272), (2, 10139636), (4, 5069818), (8, 2534909), (13, 1559944), (26, 779972), (52, 389986), (104, 194993), (227, 89336), (454, 44668), (859, 23608), (908, 22334), (1718, 11804), (1816, 11167), (2951, 6872), (3436, 5902)]