20437248

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:144

約数の個数: 144

約数和(自身を含む): 61810560

約数和(自身を除く): 41373312

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 32, 39, 46, 48, 52, 64, 69, 78, 89, 92, 96, 104, 128, 138, 156, 178, 184, 192, 208, 256, 267, 276, 299, 312, 356, 368, 384, 416, 534, 552, 598, 624, 712, 736, 768, 832, 897, 1068, 1104, 1157, 1196, 1248, 1424, 1472, 1664, 1794, 2047, 2136, 2208, 2314, 2392, 2496, 2848, 2944, 3328, 3471, 3588, 4094, 4272, 4416, 4628, 4784, 4992, 5696, 5888, 6141, 6942, 7176, 8188, 8544, 8832, 9256, 9568, 9984, 11392, 12282, 13884, 14352, 16376, 17088, 17664, 18512, 19136, 22784, 24564, 26611, 27768, 28704, 32752, 34176, 37024, 38272, 49128, 53222, 55536, 57408, 65504, 68352, 74048, 76544, 79833, 98256, 106444, 111072, 114816, 131008, 148096, 159666, 196512, 212888, 222144, 229632, 262016, 296192, 319332, 393024, 425776, 444288, 524032, 638664, 786048, 851552, 888576, 1277328, 1572096, 1703104, 2554656, 3406208, 5109312, 6812416, 10218624, 20437248]

約数ペア:

[(1, 20437248), (2, 10218624), (3, 6812416), (4, 5109312), (6, 3406208), (8, 2554656), (12, 1703104), (13, 1572096), (16, 1277328), (23, 888576), (24, 851552), (26, 786048), (32, 638664), (39, 524032), (46, 444288), (48, 425776), (52, 393024), (64, 319332), (69, 296192), (78, 262016), (89, 229632), (92, 222144), (96, 212888), (104, 196512), (128, 159666), (138, 148096), (156, 131008), (178, 114816), (184, 111072), (192, 106444), (208, 98256), (256, 79833), (267, 76544), (276, 74048), (299, 68352), (312, 65504), (356, 57408), (368, 55536), (384, 53222), (416, 49128), (534, 38272), (552, 37024), (598, 34176), (624, 32752), (712, 28704), (736, 27768), (768, 26611), (832, 24564), (897, 22784), (1068, 19136), (1104, 18512), (1157, 17664), (1196, 17088), (1248, 16376), (1424, 14352), (1472, 13884), (1664, 12282), (1794, 11392), (2047, 9984), (2136, 9568), (2208, 9256), (2314, 8832), (2392, 8544), (2496, 8188), (2848, 7176), (2944, 6942), (3328, 6141), (3471, 5888), (3588, 5696), (4094, 4992), (4272, 4784), (4416, 4628)]