20800132

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 39739392

約数和(自身を除く): 18939260

約数列:

[1, 2, 4, 31, 43, 47, 62, 83, 86, 94, 124, 166, 172, 188, 332, 1333, 1457, 2021, 2573, 2666, 2914, 3569, 3901, 4042, 5146, 5332, 5828, 7138, 7802, 8084, 10292, 14276, 15604, 62651, 110639, 120931, 125302, 167743, 221278, 241862, 250604, 335486, 442556, 483724, 670972, 5200033, 10400066, 20800132]

約数ペア:

[(1, 20800132), (2, 10400066), (4, 5200033), (31, 670972), (43, 483724), (47, 442556), (62, 335486), (83, 250604), (86, 241862), (94, 221278), (124, 167743), (166, 125302), (172, 120931), (188, 110639), (332, 62651), (1333, 15604), (1457, 14276), (2021, 10292), (2573, 8084), (2666, 7802), (2914, 7138), (3569, 5828), (3901, 5332), (4042, 5146)]