20498706720

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{4745071}}^1$

素因数の和:4745095

約数の個数: 96

約数和(自身を含む): 71745488640

約数和(自身を除く): 51246781920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 4320, 4745071, 9490142, 14235213, 18980284, 23725355, 28470426, 37960568, 42705639, 47450710, 56940852, 71176065, 75921136, 85411278, 94901420, 113881704, 128116917, 142352130, 151842272, 170822556, 189802840, 213528195, 227763408, 256233834, 284704260, 341645112, 379605680, 427056390, 455526816, 512467668, 569408520, 640584585, 683290224, 759211360, 854112780, 1024935336, 1138817040, 1281169170, 1366580448, 1708225560, 2049870672, 2277634080, 2562338340, 3416451120, 4099741344, 5124676680, 6832902240, 10249353360, 20498706720]

約数ペア:

[(1, 20498706720), (2, 10249353360), (3, 6832902240), (4, 5124676680), (5, 4099741344), (6, 3416451120), (8, 2562338340), (9, 2277634080), (10, 2049870672), (12, 1708225560), (15, 1366580448), (16, 1281169170), (18, 1138817040), (20, 1024935336), (24, 854112780), (27, 759211360), (30, 683290224), (32, 640584585), (36, 569408520), (40, 512467668), (45, 455526816), (48, 427056390), (54, 379605680), (60, 341645112), (72, 284704260), (80, 256233834), (90, 227763408), (96, 213528195), (108, 189802840), (120, 170822556), (135, 151842272), (144, 142352130), (160, 128116917), (180, 113881704), (216, 94901420), (240, 85411278), (270, 75921136), (288, 71176065), (360, 56940852), (432, 47450710), (480, 42705639), (540, 37960568), (720, 28470426), (864, 23725355), (1080, 18980284), (1440, 14235213), (2160, 9490142), (4320, 4745071)]