20939688

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1259}}^1$

素因数の和:1292

約数の個数: 128

約数和(自身を含む): 72576000

約数和(自身を除く): 51636312

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 27, 28, 33, 36, 42, 44, 54, 56, 63, 66, 72, 77, 84, 88, 99, 108, 126, 132, 154, 168, 189, 198, 216, 231, 252, 264, 297, 308, 378, 396, 462, 504, 594, 616, 693, 756, 792, 924, 1188, 1259, 1386, 1512, 1848, 2079, 2376, 2518, 2772, 3777, 4158, 5036, 5544, 7554, 8316, 8813, 10072, 11331, 13849, 15108, 16632, 17626, 22662, 26439, 27698, 30216, 33993, 35252, 41547, 45324, 52878, 55396, 67986, 70504, 79317, 83094, 90648, 96943, 105756, 110792, 124641, 135972, 158634, 166188, 193886, 211512, 237951, 249282, 271944, 290829, 317268, 332376, 373923, 387772, 475902, 498564, 581658, 634536, 747846, 775544, 872487, 951804, 997128, 1163316, 1495692, 1744974, 1903608, 2326632, 2617461, 2991384, 3489948, 5234922, 6979896, 10469844, 20939688]

約数ペア:

[(1, 20939688), (2, 10469844), (3, 6979896), (4, 5234922), (6, 3489948), (7, 2991384), (8, 2617461), (9, 2326632), (11, 1903608), (12, 1744974), (14, 1495692), (18, 1163316), (21, 997128), (22, 951804), (24, 872487), (27, 775544), (28, 747846), (33, 634536), (36, 581658), (42, 498564), (44, 475902), (54, 387772), (56, 373923), (63, 332376), (66, 317268), (72, 290829), (77, 271944), (84, 249282), (88, 237951), (99, 211512), (108, 193886), (126, 166188), (132, 158634), (154, 135972), (168, 124641), (189, 110792), (198, 105756), (216, 96943), (231, 90648), (252, 83094), (264, 79317), (297, 70504), (308, 67986), (378, 55396), (396, 52878), (462, 45324), (504, 41547), (594, 35252), (616, 33993), (693, 30216), (756, 27698), (792, 26439), (924, 22662), (1188, 17626), (1259, 16632), (1386, 15108), (1512, 13849), (1848, 11331), (2079, 10072), (2376, 8813), (2518, 8316), (2772, 7554), (3777, 5544), (4158, 5036)]