20210872728

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{247901}}^1$

素因数の和:248032

約数の個数: 64

約数和(自身を含む): 52356902400

約数和(自身を除く): 32146029672

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 79, 86, 129, 158, 172, 237, 258, 316, 344, 474, 516, 632, 948, 1032, 1896, 3397, 6794, 10191, 13588, 20382, 27176, 40764, 81528, 247901, 495802, 743703, 991604, 1487406, 1983208, 2974812, 5949624, 10659743, 19584179, 21319486, 31979229, 39168358, 42638972, 58752537, 63958458, 78336716, 85277944, 117505074, 127916916, 156673432, 235010148, 255833832, 470020296, 842119697, 1684239394, 2526359091, 3368478788, 5052718182, 6736957576, 10105436364, 20210872728]

約数ペア:

[(1, 20210872728), (2, 10105436364), (3, 6736957576), (4, 5052718182), (6, 3368478788), (8, 2526359091), (12, 1684239394), (24, 842119697), (43, 470020296), (79, 255833832), (86, 235010148), (129, 156673432), (158, 127916916), (172, 117505074), (237, 85277944), (258, 78336716), (316, 63958458), (344, 58752537), (474, 42638972), (516, 39168358), (632, 31979229), (948, 21319486), (1032, 19584179), (1896, 10659743), (3397, 5949624), (6794, 2974812), (10191, 1983208), (13588, 1487406), (20382, 991604), (27176, 743703), (40764, 495802), (81528, 247901)]