20328336

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:138

約数の個数: 180

約数和(自身を含む): 68729232

約数和(自身を除く): 48400896

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 43, 48, 49, 56, 63, 67, 72, 84, 86, 98, 112, 126, 129, 134, 144, 147, 168, 172, 196, 201, 252, 258, 268, 294, 301, 336, 344, 387, 392, 402, 441, 469, 504, 516, 536, 588, 602, 603, 688, 774, 784, 804, 882, 903, 938, 1008, 1032, 1072, 1176, 1204, 1206, 1407, 1548, 1608, 1764, 1806, 1876, 2064, 2107, 2352, 2408, 2412, 2709, 2814, 2881, 3096, 3216, 3283, 3528, 3612, 3752, 4214, 4221, 4816, 4824, 5418, 5628, 5762, 6192, 6321, 6566, 7056, 7224, 7504, 8428, 8442, 8643, 9648, 9849, 10836, 11256, 11524, 12642, 13132, 14448, 16856, 16884, 17286, 18963, 19698, 20167, 21672, 22512, 23048, 25284, 25929, 26264, 29547, 33712, 33768, 34572, 37926, 39396, 40334, 43344, 46096, 50568, 51858, 52528, 59094, 60501, 67536, 69144, 75852, 78792, 80668, 101136, 103716, 118188, 121002, 138288, 141169, 151704, 157584, 161336, 181503, 207432, 236376, 242004, 282338, 303408, 322672, 363006, 414864, 423507, 472752, 484008, 564676, 726012, 847014, 968016, 1129352, 1270521, 1452024, 1694028, 2258704, 2541042, 2904048, 3388056, 5082084, 6776112, 10164168, 20328336]

約数ペア:

[(1, 20328336), (2, 10164168), (3, 6776112), (4, 5082084), (6, 3388056), (7, 2904048), (8, 2541042), (9, 2258704), (12, 1694028), (14, 1452024), (16, 1270521), (18, 1129352), (21, 968016), (24, 847014), (28, 726012), (36, 564676), (42, 484008), (43, 472752), (48, 423507), (49, 414864), (56, 363006), (63, 322672), (67, 303408), (72, 282338), (84, 242004), (86, 236376), (98, 207432), (112, 181503), (126, 161336), (129, 157584), (134, 151704), (144, 141169), (147, 138288), (168, 121002), (172, 118188), (196, 103716), (201, 101136), (252, 80668), (258, 78792), (268, 75852), (294, 69144), (301, 67536), (336, 60501), (344, 59094), (387, 52528), (392, 51858), (402, 50568), (441, 46096), (469, 43344), (504, 40334), (516, 39396), (536, 37926), (588, 34572), (602, 33768), (603, 33712), (688, 29547), (774, 26264), (784, 25929), (804, 25284), (882, 23048), (903, 22512), (938, 21672), (1008, 20167), (1032, 19698), (1072, 18963), (1176, 17286), (1204, 16884), (1206, 16856), (1407, 14448), (1548, 13132), (1608, 12642), (1764, 11524), (1806, 11256), (1876, 10836), (2064, 9849), (2107, 9648), (2352, 8643), (2408, 8442), (2412, 8428), (2709, 7504), (2814, 7224), (2881, 7056), (3096, 6566), (3216, 6321), (3283, 6192), (3528, 5762), (3612, 5628), (3752, 5418), (4214, 4824), (4221, 4816)]