20070700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{15439}}^1$

素因数の和:15466

約数の個数: 36

約数和(自身を含む): 46906720

約数和(自身を除く): 26836020

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 15439, 30878, 61756, 77195, 154390, 200707, 308780, 385975, 401414, 771950, 802828, 1003535, 1543900, 2007070, 4014140, 5017675, 10035350, 20070700]

約数ペア:

[(1, 20070700), (2, 10035350), (4, 5017675), (5, 4014140), (10, 2007070), (13, 1543900), (20, 1003535), (25, 802828), (26, 771950), (50, 401414), (52, 385975), (65, 308780), (100, 200707), (130, 154390), (260, 77195), (325, 61756), (650, 30878), (1300, 15439)]