20187992174

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{5639}}^1$

素因数の和:5865

約数の個数: 64

約数和(自身を含む): 36540702720

約数和(自身を除く): 16352710546

約数列:

[1, 2, 7, 14, 31, 62, 73, 113, 146, 217, 226, 434, 511, 791, 1022, 1582, 2263, 3503, 4526, 5639, 7006, 8249, 11278, 15841, 16498, 24521, 31682, 39473, 49042, 57743, 78946, 115486, 174809, 255719, 349618, 411647, 511438, 637207, 823294, 1223663, 1274414, 1790033, 2447326, 2881529, 3580066, 4460449, 5763058, 8920898, 12761057, 19753417, 25522114, 39506834, 46516111, 89327399, 93032222, 138273919, 178654798, 276547838, 325612777, 651225554, 1441999441, 2883998882, 10093996087, 20187992174]

約数ペア:

[(1, 20187992174), (2, 10093996087), (7, 2883998882), (14, 1441999441), (31, 651225554), (62, 325612777), (73, 276547838), (113, 178654798), (146, 138273919), (217, 93032222), (226, 89327399), (434, 46516111), (511, 39506834), (791, 25522114), (1022, 19753417), (1582, 12761057), (2263, 8920898), (3503, 5763058), (4526, 4460449), (5639, 3580066), (7006, 2881529), (8249, 2447326), (11278, 1790033), (15841, 1274414), (16498, 1223663), (24521, 823294), (31682, 637207), (39473, 511438), (49042, 411647), (57743, 349618), (78946, 255719), (115486, 174809)]