20001408

素因数分解:

$2^7\times 3^1\times 7^2\times {\mathrm{1063}}^1$

素因数の和:1094

約数の個数: 96

約数和(自身を含む): 61860960

約数和(自身を除く): 41859552

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 128, 147, 168, 192, 196, 224, 294, 336, 384, 392, 448, 588, 672, 784, 896, 1063, 1176, 1344, 1568, 2126, 2352, 2688, 3136, 3189, 4252, 4704, 6272, 6378, 7441, 8504, 9408, 12756, 14882, 17008, 18816, 22323, 25512, 29764, 34016, 44646, 51024, 52087, 59528, 68032, 89292, 102048, 104174, 119056, 136064, 156261, 178584, 204096, 208348, 238112, 312522, 357168, 408192, 416696, 476224, 625044, 714336, 833392, 952448, 1250088, 1428672, 1666784, 2500176, 2857344, 3333568, 5000352, 6667136, 10000704, 20001408]

約数ペア:

[(1, 20001408), (2, 10000704), (3, 6667136), (4, 5000352), (6, 3333568), (7, 2857344), (8, 2500176), (12, 1666784), (14, 1428672), (16, 1250088), (21, 952448), (24, 833392), (28, 714336), (32, 625044), (42, 476224), (48, 416696), (49, 408192), (56, 357168), (64, 312522), (84, 238112), (96, 208348), (98, 204096), (112, 178584), (128, 156261), (147, 136064), (168, 119056), (192, 104174), (196, 102048), (224, 89292), (294, 68032), (336, 59528), (384, 52087), (392, 51024), (448, 44646), (588, 34016), (672, 29764), (784, 25512), (896, 22323), (1063, 18816), (1176, 17008), (1344, 14882), (1568, 12756), (2126, 9408), (2352, 8504), (2688, 7441), (3136, 6378), (3189, 6272), (4252, 4704)]