20840132016

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^2\times {\mathrm{1196059}}^1$

素因数の和:1196095

約数の個数: 90

約数和(自身を含む): 64107619940

約数和(自身を除く): 43267487924

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 121, 132, 144, 176, 198, 242, 264, 363, 396, 484, 528, 726, 792, 968, 1089, 1452, 1584, 1936, 2178, 2904, 4356, 5808, 8712, 17424, 1196059, 2392118, 3588177, 4784236, 7176354, 9568472, 10764531, 13156649, 14352708, 19136944, 21529062, 26313298, 28705416, 39469947, 43058124, 52626596, 57410832, 78939894, 86116248, 105253192, 118409841, 144723139, 157879788, 172232496, 210506384, 236819682, 289446278, 315759576, 434169417, 473639364, 578892556, 631519152, 868338834, 947278728, 1157785112, 1302508251, 1736677668, 1894557456, 2315570224, 2605016502, 3473355336, 5210033004, 6946710672, 10420066008, 20840132016]

約数ペア:

[(1, 20840132016), (2, 10420066008), (3, 6946710672), (4, 5210033004), (6, 3473355336), (8, 2605016502), (9, 2315570224), (11, 1894557456), (12, 1736677668), (16, 1302508251), (18, 1157785112), (22, 947278728), (24, 868338834), (33, 631519152), (36, 578892556), (44, 473639364), (48, 434169417), (66, 315759576), (72, 289446278), (88, 236819682), (99, 210506384), (121, 172232496), (132, 157879788), (144, 144723139), (176, 118409841), (198, 105253192), (242, 86116248), (264, 78939894), (363, 57410832), (396, 52626596), (484, 43058124), (528, 39469947), (726, 28705416), (792, 26313298), (968, 21529062), (1089, 19136944), (1452, 14352708), (1584, 13156649), (1936, 10764531), (2178, 9568472), (2904, 7176354), (4356, 4784236), (5808, 3588177), (8712, 2392118), (17424, 1196059)]