20790004320

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{1604167}}^1$

素因数の和:1604194

約数の個数: 120

約数和(自身を含む): 73371435984

約数和(自身を除く): 52581431664

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, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 12960, 1604167, 3208334, 4812501, 6416668, 8020835, 9625002, 12833336, 14437503, 16041670, 19250004, 24062505, 25666672, 28875006, 32083340, 38500008, 43312509, 48125010, 51333344, 57750012, 64166680, 72187515, 77000016, 86625018, 96250020, 115500024, 128333360, 129937527, 144375030, 154000032, 173250036, 192500040, 216562545, 231000048, 256666720, 259875054, 288750060, 346500072, 385000080, 433125090, 462000096, 519750108, 577500120, 649687635, 693000144, 770000160, 866250180, 1039500216, 1155000240, 1299375270, 1386000288, 1732500360, 2079000432, 2310000480, 2598750540, 3465000720, 4158000864, 5197501080, 6930001440, 10395002160, 20790004320]

約数ペア:

[(1, 20790004320), (2, 10395002160), (3, 6930001440), (4, 5197501080), (5, 4158000864), (6, 3465000720), (8, 2598750540), (9, 2310000480), (10, 2079000432), (12, 1732500360), (15, 1386000288), (16, 1299375270), (18, 1155000240), (20, 1039500216), (24, 866250180), (27, 770000160), (30, 693000144), (32, 649687635), (36, 577500120), (40, 519750108), (45, 462000096), (48, 433125090), (54, 385000080), (60, 346500072), (72, 288750060), (80, 259875054), (81, 256666720), (90, 231000048), (96, 216562545), (108, 192500040), (120, 173250036), (135, 154000032), (144, 144375030), (160, 129937527), (162, 128333360), (180, 115500024), (216, 96250020), (240, 86625018), (270, 77000016), (288, 72187515), (324, 64166680), (360, 57750012), (405, 51333344), (432, 48125010), (480, 43312509), (540, 38500008), (648, 32083340), (720, 28875006), (810, 25666672), (864, 24062505), (1080, 19250004), (1296, 16041670), (1440, 14437503), (1620, 12833336), (2160, 9625002), (2592, 8020835), (3240, 6416668), (4320, 4812501), (6480, 3208334), (12960, 1604167)]