20874334

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{569}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 36197280

約数和(自身を除く): 15322946

約数列:

[1, 2, 13, 17, 26, 34, 83, 166, 221, 442, 569, 1079, 1138, 1411, 2158, 2822, 7397, 9673, 14794, 18343, 19346, 36686, 47227, 94454, 125749, 251498, 613951, 802859, 1227902, 1605718, 10437167, 20874334]

約数ペア:

[(1, 20874334), (2, 10437167), (13, 1605718), (17, 1227902), (26, 802859), (34, 613951), (83, 251498), (166, 125749), (221, 94454), (442, 47227), (569, 36686), (1079, 19346), (1138, 18343), (1411, 14794), (2158, 9673), (2822, 7397)]