20173608520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2411}}^1\times {\mathrm{16091}}^1$

素因数の和:18526

約数の個数: 64

約数和(自身を含む): 48905519040

約数和(自身を除く): 28731910520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 2411, 4822, 9644, 12055, 16091, 19288, 24110, 31343, 32182, 48220, 62686, 64364, 80455, 96440, 125372, 128728, 156715, 160910, 209183, 250744, 313430, 321820, 418366, 626860, 643640, 836732, 1045915, 1253720, 1673464, 2091830, 4183660, 8367320, 38795401, 77590802, 155181604, 193977005, 310363208, 387954010, 504340213, 775908020, 1008680426, 1551816040, 2017360852, 2521701065, 4034721704, 5043402130, 10086804260, 20173608520]

約数ペア:

[(1, 20173608520), (2, 10086804260), (4, 5043402130), (5, 4034721704), (8, 2521701065), (10, 2017360852), (13, 1551816040), (20, 1008680426), (26, 775908020), (40, 504340213), (52, 387954010), (65, 310363208), (104, 193977005), (130, 155181604), (260, 77590802), (520, 38795401), (2411, 8367320), (4822, 4183660), (9644, 2091830), (12055, 1673464), (16091, 1253720), (19288, 1045915), (24110, 836732), (31343, 643640), (32182, 626860), (48220, 418366), (62686, 321820), (64364, 313430), (80455, 250744), (96440, 209183), (125372, 160910), (128728, 156715)]