20462848

素因数分解:

$2^8\times 7^1\times {\mathrm{19}}^1\times {\mathrm{601}}^1$

素因数の和:643

約数の個数: 72

約数和(自身を含む): 49219520

約数和(自身を除く): 28756672

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 256, 266, 304, 448, 532, 601, 608, 896, 1064, 1202, 1216, 1792, 2128, 2404, 2432, 4207, 4256, 4808, 4864, 8414, 8512, 9616, 11419, 16828, 17024, 19232, 22838, 33656, 34048, 38464, 45676, 67312, 76928, 79933, 91352, 134624, 153856, 159866, 182704, 269248, 319732, 365408, 538496, 639464, 730816, 1076992, 1278928, 1461632, 2557856, 2923264, 5115712, 10231424, 20462848]

約数ペア:

[(1, 20462848), (2, 10231424), (4, 5115712), (7, 2923264), (8, 2557856), (14, 1461632), (16, 1278928), (19, 1076992), (28, 730816), (32, 639464), (38, 538496), (56, 365408), (64, 319732), (76, 269248), (112, 182704), (128, 159866), (133, 153856), (152, 134624), (224, 91352), (256, 79933), (266, 76928), (304, 67312), (448, 45676), (532, 38464), (601, 34048), (608, 33656), (896, 22838), (1064, 19232), (1202, 17024), (1216, 16828), (1792, 11419), (2128, 9616), (2404, 8512), (2432, 8414), (4207, 4864), (4256, 4808)]