20325984

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:205

約数の個数: 144

約数和(自身を含む): 64638000

約数和(自身を除く): 44312016

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 29, 32, 42, 48, 49, 56, 58, 84, 87, 96, 98, 112, 116, 147, 149, 168, 174, 196, 203, 224, 232, 294, 298, 336, 348, 392, 406, 447, 464, 588, 596, 609, 672, 696, 784, 812, 894, 928, 1043, 1176, 1192, 1218, 1392, 1421, 1568, 1624, 1788, 2086, 2352, 2384, 2436, 2784, 2842, 3129, 3248, 3576, 4172, 4263, 4321, 4704, 4768, 4872, 5684, 6258, 6496, 7152, 7301, 8344, 8526, 8642, 9744, 11368, 12516, 12963, 14304, 14602, 16688, 17052, 17284, 19488, 21903, 22736, 25032, 25926, 29204, 30247, 33376, 34104, 34568, 43806, 45472, 50064, 51852, 58408, 60494, 68208, 69136, 87612, 90741, 100128, 103704, 116816, 120988, 136416, 138272, 175224, 181482, 207408, 211729, 233632, 241976, 350448, 362964, 414816, 423458, 483952, 635187, 700896, 725928, 846916, 967904, 1270374, 1451856, 1693832, 2540748, 2903712, 3387664, 5081496, 6775328, 10162992, 20325984]

約数ペア:

[(1, 20325984), (2, 10162992), (3, 6775328), (4, 5081496), (6, 3387664), (7, 2903712), (8, 2540748), (12, 1693832), (14, 1451856), (16, 1270374), (21, 967904), (24, 846916), (28, 725928), (29, 700896), (32, 635187), (42, 483952), (48, 423458), (49, 414816), (56, 362964), (58, 350448), (84, 241976), (87, 233632), (96, 211729), (98, 207408), (112, 181482), (116, 175224), (147, 138272), (149, 136416), (168, 120988), (174, 116816), (196, 103704), (203, 100128), (224, 90741), (232, 87612), (294, 69136), (298, 68208), (336, 60494), (348, 58408), (392, 51852), (406, 50064), (447, 45472), (464, 43806), (588, 34568), (596, 34104), (609, 33376), (672, 30247), (696, 29204), (784, 25926), (812, 25032), (894, 22736), (928, 21903), (1043, 19488), (1176, 17284), (1192, 17052), (1218, 16688), (1392, 14602), (1421, 14304), (1568, 12963), (1624, 12516), (1788, 11368), (2086, 9744), (2352, 8642), (2384, 8526), (2436, 8344), (2784, 7301), (2842, 7152), (3129, 6496), (3248, 6258), (3576, 5684), (4172, 4872), (4263, 4768), (4321, 4704)]