20512057160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{2909}}^1\times {\mathrm{25183}}^1$

素因数の和:28110

約数の個数: 64

約数和(自身を含む): 52765516800

約数和(自身を除く): 32253459640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 2909, 5818, 11636, 14545, 20363, 23272, 25183, 29090, 40726, 50366, 58180, 81452, 100732, 101815, 116360, 125915, 162904, 176281, 201464, 203630, 251830, 352562, 407260, 503660, 705124, 814520, 881405, 1007320, 1410248, 1762810, 3525620, 7051240, 73257347, 146514694, 293029388, 366286735, 512801429, 586058776, 732573470, 1025602858, 1465146940, 2051205716, 2564007145, 2930293880, 4102411432, 5128014290, 10256028580, 20512057160]

約数ペア:

[(1, 20512057160), (2, 10256028580), (4, 5128014290), (5, 4102411432), (7, 2930293880), (8, 2564007145), (10, 2051205716), (14, 1465146940), (20, 1025602858), (28, 732573470), (35, 586058776), (40, 512801429), (56, 366286735), (70, 293029388), (140, 146514694), (280, 73257347), (2909, 7051240), (5818, 3525620), (11636, 1762810), (14545, 1410248), (20363, 1007320), (23272, 881405), (25183, 814520), (29090, 705124), (40726, 503660), (50366, 407260), (58180, 352562), (81452, 251830), (100732, 203630), (101815, 201464), (116360, 176281), (125915, 162904)]