20542788

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{937}}^1$

素因数の和:986

約数の個数: 96

約数和(自身を含む): 63033600

約数和(自身を除く): 42490812

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 29, 36, 42, 54, 58, 63, 84, 87, 108, 116, 126, 174, 189, 203, 252, 261, 348, 378, 406, 522, 609, 756, 783, 812, 937, 1044, 1218, 1566, 1827, 1874, 2436, 2811, 3132, 3654, 3748, 5481, 5622, 6559, 7308, 8433, 10962, 11244, 13118, 16866, 19677, 21924, 25299, 26236, 27173, 33732, 39354, 50598, 54346, 59031, 78708, 81519, 101196, 108692, 118062, 163038, 177093, 190211, 236124, 244557, 326076, 354186, 380422, 489114, 570633, 708372, 733671, 760844, 978228, 1141266, 1467342, 1711899, 2282532, 2934684, 3423798, 5135697, 6847596, 10271394, 20542788]

約数ペア:

[(1, 20542788), (2, 10271394), (3, 6847596), (4, 5135697), (6, 3423798), (7, 2934684), (9, 2282532), (12, 1711899), (14, 1467342), (18, 1141266), (21, 978228), (27, 760844), (28, 733671), (29, 708372), (36, 570633), (42, 489114), (54, 380422), (58, 354186), (63, 326076), (84, 244557), (87, 236124), (108, 190211), (116, 177093), (126, 163038), (174, 118062), (189, 108692), (203, 101196), (252, 81519), (261, 78708), (348, 59031), (378, 54346), (406, 50598), (522, 39354), (609, 33732), (756, 27173), (783, 26236), (812, 25299), (937, 21924), (1044, 19677), (1218, 16866), (1566, 13118), (1827, 11244), (1874, 10962), (2436, 8433), (2811, 7308), (3132, 6559), (3654, 5622), (3748, 5481)]