20138220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:453

約数の個数: 120

約数和(自身を含む): 65374848

約数和(自身を除く): 45236628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 270, 279, 310, 324, 372, 401, 405, 465, 540, 558, 620, 802, 810, 837, 930, 1116, 1203, 1395, 1604, 1620, 1674, 1860, 2005, 2406, 2511, 2790, 3348, 3609, 4010, 4185, 4812, 5022, 5580, 6015, 7218, 8020, 8370, 10044, 10827, 12030, 12431, 12555, 14436, 16740, 18045, 21654, 24060, 24862, 25110, 32481, 36090, 37293, 43308, 49724, 50220, 54135, 62155, 64962, 72180, 74586, 108270, 111879, 124310, 129924, 149172, 162405, 186465, 216540, 223758, 248620, 324810, 335637, 372930, 447516, 559395, 649620, 671274, 745860, 1006911, 1118790, 1342548, 1678185, 2013822, 2237580, 3356370, 4027644, 5034555, 6712740, 10069110, 20138220]

約数ペア:

[(1, 20138220), (2, 10069110), (3, 6712740), (4, 5034555), (5, 4027644), (6, 3356370), (9, 2237580), (10, 2013822), (12, 1678185), (15, 1342548), (18, 1118790), (20, 1006911), (27, 745860), (30, 671274), (31, 649620), (36, 559395), (45, 447516), (54, 372930), (60, 335637), (62, 324810), (81, 248620), (90, 223758), (93, 216540), (108, 186465), (124, 162405), (135, 149172), (155, 129924), (162, 124310), (180, 111879), (186, 108270), (270, 74586), (279, 72180), (310, 64962), (324, 62155), (372, 54135), (401, 50220), (405, 49724), (465, 43308), (540, 37293), (558, 36090), (620, 32481), (802, 25110), (810, 24862), (837, 24060), (930, 21654), (1116, 18045), (1203, 16740), (1395, 14436), (1604, 12555), (1620, 12431), (1674, 12030), (1860, 10827), (2005, 10044), (2406, 8370), (2511, 8020), (2790, 7218), (3348, 6015), (3609, 5580), (4010, 5022), (4185, 4812)]