20120685417

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{800441}}^1$

素因数の和:800483

約数の個数: 48

約数和(自身を含む): 36500155200

約数和(自身を除く): 16379469783

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 133, 147, 171, 189, 399, 441, 513, 931, 1197, 1323, 2793, 3591, 8379, 25137, 800441, 2401323, 5603087, 7203969, 15208379, 16809261, 21611907, 39221609, 45625137, 50427783, 106458653, 117664827, 136875411, 151283349, 319375959, 352994481, 410626233, 745210571, 958127877, 1058983443, 2235631713, 2874383631, 6706895139, 20120685417]

約数ペア:

[(1, 20120685417), (3, 6706895139), (7, 2874383631), (9, 2235631713), (19, 1058983443), (21, 958127877), (27, 745210571), (49, 410626233), (57, 352994481), (63, 319375959), (133, 151283349), (147, 136875411), (171, 117664827), (189, 106458653), (399, 50427783), (441, 45625137), (513, 39221609), (931, 21611907), (1197, 16809261), (1323, 15208379), (2793, 7203969), (3591, 5603087), (8379, 2401323), (25137, 800441)]