20994234840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{296027}}^1$

素因数の和:296241

約数の個数: 96

約数和(自身を含む): 68577846480

約数和(自身を除く): 47583611640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 197, 360, 394, 591, 788, 985, 1182, 1576, 1773, 1970, 2364, 2955, 3546, 3940, 4728, 5910, 7092, 7880, 8865, 11820, 14184, 17730, 23640, 35460, 70920, 296027, 592054, 888081, 1184108, 1480135, 1776162, 2368216, 2664243, 2960270, 3552324, 4440405, 5328486, 5920540, 7104648, 8880810, 10656972, 11841080, 13321215, 17761620, 21313944, 26642430, 35523240, 53284860, 58317319, 106569720, 116634638, 174951957, 233269276, 291586595, 349903914, 466538552, 524855871, 583173190, 699807828, 874759785, 1049711742, 1166346380, 1399615656, 1749519570, 2099423484, 2332692760, 2624279355, 3499039140, 4198846968, 5248558710, 6998078280, 10497117420, 20994234840]

約数ペア:

[(1, 20994234840), (2, 10497117420), (3, 6998078280), (4, 5248558710), (5, 4198846968), (6, 3499039140), (8, 2624279355), (9, 2332692760), (10, 2099423484), (12, 1749519570), (15, 1399615656), (18, 1166346380), (20, 1049711742), (24, 874759785), (30, 699807828), (36, 583173190), (40, 524855871), (45, 466538552), (60, 349903914), (72, 291586595), (90, 233269276), (120, 174951957), (180, 116634638), (197, 106569720), (360, 58317319), (394, 53284860), (591, 35523240), (788, 26642430), (985, 21313944), (1182, 17761620), (1576, 13321215), (1773, 11841080), (1970, 10656972), (2364, 8880810), (2955, 7104648), (3546, 5920540), (3940, 5328486), (4728, 4440405), (5910, 3552324), (7092, 2960270), (7880, 2664243), (8865, 2368216), (11820, 1776162), (14184, 1480135), (17730, 1184108), (23640, 888081), (35460, 592054), (70920, 296027)]