20403820620

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{1399439}}^1$

素因数の和:1399466

約数の個数: 84

約数和(自身を含む): 64242692640

約数和(自身を除く): 43838872020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 729, 810, 972, 1215, 1458, 1620, 2430, 2916, 3645, 4860, 7290, 14580, 1399439, 2798878, 4198317, 5597756, 6997195, 8396634, 12594951, 13994390, 16793268, 20991585, 25189902, 27988780, 37784853, 41983170, 50379804, 62974755, 75569706, 83966340, 113354559, 125949510, 151139412, 188924265, 226709118, 251899020, 340063677, 377848530, 453418236, 566772795, 680127354, 755697060, 1020191031, 1133545590, 1360254708, 1700318385, 2040382062, 2267091180, 3400636770, 4080764124, 5100955155, 6801273540, 10201910310, 20403820620]

約数ペア:

[(1, 20403820620), (2, 10201910310), (3, 6801273540), (4, 5100955155), (5, 4080764124), (6, 3400636770), (9, 2267091180), (10, 2040382062), (12, 1700318385), (15, 1360254708), (18, 1133545590), (20, 1020191031), (27, 755697060), (30, 680127354), (36, 566772795), (45, 453418236), (54, 377848530), (60, 340063677), (81, 251899020), (90, 226709118), (108, 188924265), (135, 151139412), (162, 125949510), (180, 113354559), (243, 83966340), (270, 75569706), (324, 62974755), (405, 50379804), (486, 41983170), (540, 37784853), (729, 27988780), (810, 25189902), (972, 20991585), (1215, 16793268), (1458, 13994390), (1620, 12594951), (2430, 8396634), (2916, 6997195), (3645, 5597756), (4860, 4198317), (7290, 2798878), (14580, 1399439)]