20148287744

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{1811}}^1\times {\mathrm{3343}}^1$

素因数の和:5183

約数の個数: 72

約数和(自身を含む): 43348432512

約数和(自身を除く): 23200144768

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 1811, 3328, 3343, 3622, 6686, 7244, 13372, 14488, 23543, 26744, 28976, 43459, 47086, 53488, 57952, 86918, 94172, 106976, 115904, 173836, 188344, 213952, 231808, 347672, 376688, 427904, 463616, 695344, 753376, 855808, 1390688, 1506752, 2781376, 3013504, 5562752, 6027008, 6054173, 11125504, 12108346, 24216692, 48433384, 78704249, 96866768, 157408498, 193733536, 314816996, 387467072, 629633992, 774934144, 1259267984, 1549868288, 2518535968, 5037071936, 10074143872, 20148287744]

約数ペア:

[(1, 20148287744), (2, 10074143872), (4, 5037071936), (8, 2518535968), (13, 1549868288), (16, 1259267984), (26, 774934144), (32, 629633992), (52, 387467072), (64, 314816996), (104, 193733536), (128, 157408498), (208, 96866768), (256, 78704249), (416, 48433384), (832, 24216692), (1664, 12108346), (1811, 11125504), (3328, 6054173), (3343, 6027008), (3622, 5562752), (6686, 3013504), (7244, 2781376), (13372, 1506752), (14488, 1390688), (23543, 855808), (26744, 753376), (28976, 695344), (43459, 463616), (47086, 427904), (53488, 376688), (57952, 347672), (86918, 231808), (94172, 213952), (106976, 188344), (115904, 173836)]