20398812

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{5923}}^1$

素因数の和:5978

約数の個数: 48

約数和(自身を含む): 55732992

約数和(自身を除く): 35334180

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 82, 84, 123, 164, 246, 287, 492, 574, 861, 1148, 1722, 3444, 5923, 11846, 17769, 23692, 35538, 41461, 71076, 82922, 124383, 165844, 242843, 248766, 485686, 497532, 728529, 971372, 1457058, 1699901, 2914116, 3399802, 5099703, 6799604, 10199406, 20398812]

約数ペア:

[(1, 20398812), (2, 10199406), (3, 6799604), (4, 5099703), (6, 3399802), (7, 2914116), (12, 1699901), (14, 1457058), (21, 971372), (28, 728529), (41, 497532), (42, 485686), (82, 248766), (84, 242843), (123, 165844), (164, 124383), (246, 82922), (287, 71076), (492, 41461), (574, 35538), (861, 23692), (1148, 17769), (1722, 11846), (3444, 5923)]