20461896

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1$

素因数の和:385

約数の個数: 160

約数和(自身を含む): 70741440

約数和(自身を除く): 50279544

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 39, 42, 52, 54, 56, 63, 72, 78, 81, 84, 91, 104, 108, 117, 126, 156, 162, 168, 182, 189, 216, 234, 252, 273, 312, 324, 347, 351, 364, 378, 468, 504, 546, 567, 648, 694, 702, 728, 756, 819, 936, 1041, 1053, 1092, 1134, 1388, 1404, 1512, 1638, 2082, 2106, 2184, 2268, 2429, 2457, 2776, 2808, 3123, 3276, 4164, 4212, 4511, 4536, 4858, 4914, 6246, 6552, 7287, 7371, 8328, 8424, 9022, 9369, 9716, 9828, 12492, 13533, 14574, 14742, 18044, 18738, 19432, 19656, 21861, 24984, 27066, 28107, 29148, 29484, 31577, 36088, 37476, 40599, 43722, 54132, 56214, 58296, 58968, 63154, 65583, 74952, 81198, 87444, 94731, 108264, 112428, 121797, 126308, 131166, 162396, 174888, 189462, 196749, 224856, 243594, 252616, 262332, 284193, 324792, 365391, 378924, 393498, 487188, 524664, 568386, 730782, 757848, 786996, 852579, 974376, 1136772, 1461564, 1573992, 1705158, 2273544, 2557737, 2923128, 3410316, 5115474, 6820632, 10230948, 20461896]

約数ペア:

[(1, 20461896), (2, 10230948), (3, 6820632), (4, 5115474), (6, 3410316), (7, 2923128), (8, 2557737), (9, 2273544), (12, 1705158), (13, 1573992), (14, 1461564), (18, 1136772), (21, 974376), (24, 852579), (26, 786996), (27, 757848), (28, 730782), (36, 568386), (39, 524664), (42, 487188), (52, 393498), (54, 378924), (56, 365391), (63, 324792), (72, 284193), (78, 262332), (81, 252616), (84, 243594), (91, 224856), (104, 196749), (108, 189462), (117, 174888), (126, 162396), (156, 131166), (162, 126308), (168, 121797), (182, 112428), (189, 108264), (216, 94731), (234, 87444), (252, 81198), (273, 74952), (312, 65583), (324, 63154), (347, 58968), (351, 58296), (364, 56214), (378, 54132), (468, 43722), (504, 40599), (546, 37476), (567, 36088), (648, 31577), (694, 29484), (702, 29148), (728, 28107), (756, 27066), (819, 24984), (936, 21861), (1041, 19656), (1053, 19432), (1092, 18738), (1134, 18044), (1388, 14742), (1404, 14574), (1512, 13533), (1638, 12492), (2082, 9828), (2106, 9716), (2184, 9369), (2268, 9022), (2429, 8424), (2457, 8328), (2776, 7371), (2808, 7287), (3123, 6552), (3276, 6246), (4164, 4914), (4212, 4858), (4511, 4536)]