20356336

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:111

約数の個数: 160

約数和(自身を含む): 55996416

約数和(自身を除く): 35640080

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 31, 41, 44, 52, 56, 62, 77, 82, 88, 91, 104, 112, 124, 143, 154, 164, 176, 182, 208, 217, 248, 286, 287, 308, 328, 341, 364, 403, 434, 451, 496, 533, 572, 574, 616, 656, 682, 728, 806, 868, 902, 1001, 1066, 1144, 1148, 1232, 1271, 1364, 1456, 1612, 1736, 1804, 2002, 2132, 2288, 2296, 2387, 2542, 2728, 2821, 3157, 3224, 3472, 3608, 3731, 4004, 4264, 4433, 4592, 4774, 5084, 5456, 5642, 5863, 6314, 6448, 7216, 7462, 8008, 8528, 8866, 8897, 9548, 10168, 11284, 11726, 12628, 13981, 14924, 16016, 16523, 17732, 17794, 19096, 20336, 22568, 23452, 25256, 27962, 29848, 31031, 33046, 35464, 35588, 38192, 41041, 45136, 46904, 50512, 55924, 59696, 62062, 66092, 70928, 71176, 82082, 93808, 97867, 111848, 115661, 124124, 132184, 142352, 164164, 181753, 195734, 223696, 231322, 248248, 264368, 328328, 363506, 391468, 462644, 496496, 656656, 727012, 782936, 925288, 1272271, 1454024, 1565872, 1850576, 2544542, 2908048, 5089084, 10178168, 20356336]

約数ペア:

[(1, 20356336), (2, 10178168), (4, 5089084), (7, 2908048), (8, 2544542), (11, 1850576), (13, 1565872), (14, 1454024), (16, 1272271), (22, 925288), (26, 782936), (28, 727012), (31, 656656), (41, 496496), (44, 462644), (52, 391468), (56, 363506), (62, 328328), (77, 264368), (82, 248248), (88, 231322), (91, 223696), (104, 195734), (112, 181753), (124, 164164), (143, 142352), (154, 132184), (164, 124124), (176, 115661), (182, 111848), (208, 97867), (217, 93808), (248, 82082), (286, 71176), (287, 70928), (308, 66092), (328, 62062), (341, 59696), (364, 55924), (403, 50512), (434, 46904), (451, 45136), (496, 41041), (533, 38192), (572, 35588), (574, 35464), (616, 33046), (656, 31031), (682, 29848), (728, 27962), (806, 25256), (868, 23452), (902, 22568), (1001, 20336), (1066, 19096), (1144, 17794), (1148, 17732), (1232, 16523), (1271, 16016), (1364, 14924), (1456, 13981), (1612, 12628), (1736, 11726), (1804, 11284), (2002, 10168), (2132, 9548), (2288, 8897), (2296, 8866), (2387, 8528), (2542, 8008), (2728, 7462), (2821, 7216), (3157, 6448), (3224, 6314), (3472, 5863), (3608, 5642), (3731, 5456), (4004, 5084), (4264, 4774), (4433, 4592)]