20919276

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:153

約数の個数: 144

約数和(自身を含む): 65116800

約数和(自身を除く): 44197524

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 59, 63, 67, 84, 98, 108, 118, 126, 134, 147, 177, 189, 196, 201, 236, 252, 268, 294, 354, 378, 402, 413, 441, 469, 531, 588, 603, 708, 756, 804, 826, 882, 938, 1062, 1206, 1239, 1323, 1407, 1593, 1652, 1764, 1809, 1876, 2124, 2412, 2478, 2646, 2814, 2891, 3186, 3283, 3618, 3717, 3953, 4221, 4956, 5292, 5628, 5782, 6372, 6566, 7236, 7434, 7906, 8442, 8673, 9849, 11151, 11564, 11859, 12663, 13132, 14868, 15812, 16884, 17346, 19698, 22302, 23718, 25326, 26019, 27671, 29547, 34692, 35577, 39396, 44604, 47436, 50652, 52038, 55342, 59094, 71154, 78057, 83013, 88641, 104076, 106731, 110684, 118188, 142308, 156114, 166026, 177282, 193697, 213462, 249039, 312228, 332052, 354564, 387394, 426924, 498078, 581091, 747117, 774788, 996156, 1162182, 1494234, 1743273, 2324364, 2988468, 3486546, 5229819, 6973092, 10459638, 20919276]

約数ペア:

[(1, 20919276), (2, 10459638), (3, 6973092), (4, 5229819), (6, 3486546), (7, 2988468), (9, 2324364), (12, 1743273), (14, 1494234), (18, 1162182), (21, 996156), (27, 774788), (28, 747117), (36, 581091), (42, 498078), (49, 426924), (54, 387394), (59, 354564), (63, 332052), (67, 312228), (84, 249039), (98, 213462), (108, 193697), (118, 177282), (126, 166026), (134, 156114), (147, 142308), (177, 118188), (189, 110684), (196, 106731), (201, 104076), (236, 88641), (252, 83013), (268, 78057), (294, 71154), (354, 59094), (378, 55342), (402, 52038), (413, 50652), (441, 47436), (469, 44604), (531, 39396), (588, 35577), (603, 34692), (708, 29547), (756, 27671), (804, 26019), (826, 25326), (882, 23718), (938, 22302), (1062, 19698), (1206, 17346), (1239, 16884), (1323, 15812), (1407, 14868), (1593, 13132), (1652, 12663), (1764, 11859), (1809, 11564), (1876, 11151), (2124, 9849), (2412, 8673), (2478, 8442), (2646, 7906), (2814, 7434), (2891, 7236), (3186, 6566), (3283, 6372), (3618, 5782), (3717, 5628), (3953, 5292), (4221, 4956)]