20645352

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:192

約数の個数: 192

約数和(自身を含む): 72334080

約数和(自身を除く): 51688728

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 23, 24, 26, 28, 36, 39, 42, 46, 52, 56, 63, 69, 72, 78, 84, 91, 92, 104, 117, 126, 137, 138, 156, 161, 168, 182, 184, 207, 234, 252, 273, 274, 276, 299, 312, 322, 364, 411, 414, 468, 483, 504, 546, 548, 552, 598, 644, 728, 819, 822, 828, 897, 936, 959, 966, 1092, 1096, 1196, 1233, 1288, 1449, 1638, 1644, 1656, 1781, 1794, 1918, 1932, 2093, 2184, 2392, 2466, 2691, 2877, 2898, 3151, 3276, 3288, 3562, 3588, 3836, 3864, 4186, 4932, 5343, 5382, 5754, 5796, 6279, 6302, 6552, 7124, 7176, 7672, 8372, 8631, 9453, 9864, 10686, 10764, 11508, 11592, 12467, 12558, 12604, 14248, 16029, 16744, 17262, 18837, 18906, 21372, 21528, 22057, 23016, 24934, 25116, 25208, 28359, 32058, 34524, 37401, 37674, 37812, 40963, 42744, 44114, 49868, 50232, 56718, 64116, 66171, 69048, 74802, 75348, 75624, 81926, 88228, 99736, 112203, 113436, 122889, 128232, 132342, 149604, 150696, 163852, 176456, 198513, 224406, 226872, 245778, 264684, 286741, 299208, 327704, 368667, 397026, 448812, 491556, 529368, 573482, 737334, 794052, 860223, 897624, 983112, 1146964, 1474668, 1588104, 1720446, 2293928, 2580669, 2949336, 3440892, 5161338, 6881784, 10322676, 20645352]

約数ペア:

[(1, 20645352), (2, 10322676), (3, 6881784), (4, 5161338), (6, 3440892), (7, 2949336), (8, 2580669), (9, 2293928), (12, 1720446), (13, 1588104), (14, 1474668), (18, 1146964), (21, 983112), (23, 897624), (24, 860223), (26, 794052), (28, 737334), (36, 573482), (39, 529368), (42, 491556), (46, 448812), (52, 397026), (56, 368667), (63, 327704), (69, 299208), (72, 286741), (78, 264684), (84, 245778), (91, 226872), (92, 224406), (104, 198513), (117, 176456), (126, 163852), (137, 150696), (138, 149604), (156, 132342), (161, 128232), (168, 122889), (182, 113436), (184, 112203), (207, 99736), (234, 88228), (252, 81926), (273, 75624), (274, 75348), (276, 74802), (299, 69048), (312, 66171), (322, 64116), (364, 56718), (411, 50232), (414, 49868), (468, 44114), (483, 42744), (504, 40963), (546, 37812), (548, 37674), (552, 37401), (598, 34524), (644, 32058), (728, 28359), (819, 25208), (822, 25116), (828, 24934), (897, 23016), (936, 22057), (959, 21528), (966, 21372), (1092, 18906), (1096, 18837), (1196, 17262), (1233, 16744), (1288, 16029), (1449, 14248), (1638, 12604), (1644, 12558), (1656, 12467), (1781, 11592), (1794, 11508), (1918, 10764), (1932, 10686), (2093, 9864), (2184, 9453), (2392, 8631), (2466, 8372), (2691, 7672), (2877, 7176), (2898, 7124), (3151, 6552), (3276, 6302), (3288, 6279), (3562, 5796), (3588, 5754), (3836, 5382), (3864, 5343), (4186, 4932)]