20123090944

素因数分解:

$2^{17}\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{821}}^1$

素因数の和:883

約数の個数: 144

約数和(自身を含む): 46544013936

約数和(自身を除く): 26420922992

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 64, 68, 88, 128, 136, 176, 187, 256, 272, 352, 374, 512, 544, 704, 748, 821, 1024, 1088, 1408, 1496, 1642, 2048, 2176, 2816, 2992, 3284, 4096, 4352, 5632, 5984, 6568, 8192, 8704, 9031, 11264, 11968, 13136, 13957, 16384, 17408, 18062, 22528, 23936, 26272, 27914, 32768, 34816, 36124, 45056, 47872, 52544, 55828, 65536, 69632, 72248, 90112, 95744, 105088, 111656, 131072, 139264, 144496, 153527, 180224, 191488, 210176, 223312, 278528, 288992, 307054, 360448, 382976, 420352, 446624, 557056, 577984, 614108, 720896, 765952, 840704, 893248, 1114112, 1155968, 1228216, 1441792, 1531904, 1681408, 1786496, 2228224, 2311936, 2456432, 3063808, 3362816, 3572992, 4623872, 4912864, 6127616, 6725632, 7145984, 9247744, 9825728, 12255232, 13451264, 14291968, 18495488, 19651456, 24510464, 26902528, 28583936, 36990976, 39302912, 53805056, 57167872, 73981952, 78605824, 107610112, 114335744, 147963904, 157211648, 228671488, 295927808, 314423296, 457342976, 591855616, 628846592, 914685952, 1183711232, 1257693184, 1829371904, 2515386368, 5030772736, 10061545472, 20123090944]

約数ペア:

[(1, 20123090944), (2, 10061545472), (4, 5030772736), (8, 2515386368), (11, 1829371904), (16, 1257693184), (17, 1183711232), (22, 914685952), (32, 628846592), (34, 591855616), (44, 457342976), (64, 314423296), (68, 295927808), (88, 228671488), (128, 157211648), (136, 147963904), (176, 114335744), (187, 107610112), (256, 78605824), (272, 73981952), (352, 57167872), (374, 53805056), (512, 39302912), (544, 36990976), (704, 28583936), (748, 26902528), (821, 24510464), (1024, 19651456), (1088, 18495488), (1408, 14291968), (1496, 13451264), (1642, 12255232), (2048, 9825728), (2176, 9247744), (2816, 7145984), (2992, 6725632), (3284, 6127616), (4096, 4912864), (4352, 4623872), (5632, 3572992), (5984, 3362816), (6568, 3063808), (8192, 2456432), (8704, 2311936), (9031, 2228224), (11264, 1786496), (11968, 1681408), (13136, 1531904), (13957, 1441792), (16384, 1228216), (17408, 1155968), (18062, 1114112), (22528, 893248), (23936, 840704), (26272, 765952), (27914, 720896), (32768, 614108), (34816, 577984), (36124, 557056), (45056, 446624), (47872, 420352), (52544, 382976), (55828, 360448), (65536, 307054), (69632, 288992), (72248, 278528), (90112, 223312), (95744, 210176), (105088, 191488), (111656, 180224), (131072, 153527), (139264, 144496)]