20044620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5861}}^1$

素因数の和:5895

約数の個数: 72

約数和(自身を含む): 64013040

約数和(自身を除く): 43968420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 5861, 11722, 17583, 23444, 29305, 35166, 52749, 58610, 70332, 87915, 105498, 111359, 117220, 175830, 210996, 222718, 263745, 334077, 351660, 445436, 527490, 556795, 668154, 1002231, 1054980, 1113590, 1336308, 1670385, 2004462, 2227180, 3340770, 4008924, 5011155, 6681540, 10022310, 20044620]

約数ペア:

[(1, 20044620), (2, 10022310), (3, 6681540), (4, 5011155), (5, 4008924), (6, 3340770), (9, 2227180), (10, 2004462), (12, 1670385), (15, 1336308), (18, 1113590), (19, 1054980), (20, 1002231), (30, 668154), (36, 556795), (38, 527490), (45, 445436), (57, 351660), (60, 334077), (76, 263745), (90, 222718), (95, 210996), (114, 175830), (171, 117220), (180, 111359), (190, 105498), (228, 87915), (285, 70332), (342, 58610), (380, 52749), (570, 35166), (684, 29305), (855, 23444), (1140, 17583), (1710, 11722), (3420, 5861)]