20898192

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^2$

素因数の和:137

約数の個数: 120

約数和(自身を含む): 64950208

約数和(自身を除く): 44052016

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 37, 41, 42, 48, 56, 74, 82, 84, 111, 112, 123, 148, 164, 168, 222, 246, 259, 287, 296, 328, 336, 444, 492, 518, 574, 592, 656, 777, 861, 888, 984, 1036, 1148, 1517, 1554, 1681, 1722, 1776, 1968, 2072, 2296, 3034, 3108, 3362, 3444, 4144, 4551, 4592, 5043, 6068, 6216, 6724, 6888, 9102, 10086, 10619, 11767, 12136, 12432, 13448, 13776, 18204, 20172, 21238, 23534, 24272, 26896, 31857, 35301, 36408, 40344, 42476, 47068, 62197, 63714, 70602, 72816, 80688, 84952, 94136, 124394, 127428, 141204, 169904, 186591, 188272, 248788, 254856, 282408, 373182, 435379, 497576, 509712, 564816, 746364, 870758, 995152, 1306137, 1492728, 1741516, 2612274, 2985456, 3483032, 5224548, 6966064, 10449096, 20898192]

約数ペア:

[(1, 20898192), (2, 10449096), (3, 6966064), (4, 5224548), (6, 3483032), (7, 2985456), (8, 2612274), (12, 1741516), (14, 1492728), (16, 1306137), (21, 995152), (24, 870758), (28, 746364), (37, 564816), (41, 509712), (42, 497576), (48, 435379), (56, 373182), (74, 282408), (82, 254856), (84, 248788), (111, 188272), (112, 186591), (123, 169904), (148, 141204), (164, 127428), (168, 124394), (222, 94136), (246, 84952), (259, 80688), (287, 72816), (296, 70602), (328, 63714), (336, 62197), (444, 47068), (492, 42476), (518, 40344), (574, 36408), (592, 35301), (656, 31857), (777, 26896), (861, 24272), (888, 23534), (984, 21238), (1036, 20172), (1148, 18204), (1517, 13776), (1554, 13448), (1681, 12432), (1722, 12136), (1776, 11767), (1968, 10619), (2072, 10086), (2296, 9102), (3034, 6888), (3108, 6724), (3362, 6216), (3444, 6068), (4144, 5043), (4551, 4592)]