20317924

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1181}}^1$

素因数の和:1236

約数の個数: 48

約数和(自身を含む): 42892416

約数和(自身を除く): 22574492

約数列:

[1, 2, 4, 11, 17, 22, 23, 34, 44, 46, 68, 92, 187, 253, 374, 391, 506, 748, 782, 1012, 1181, 1564, 2362, 4301, 4724, 8602, 12991, 17204, 20077, 25982, 27163, 40154, 51964, 54326, 80308, 108652, 220847, 298793, 441694, 461771, 597586, 883388, 923542, 1195172, 1847084, 5079481, 10158962, 20317924]

約数ペア:

[(1, 20317924), (2, 10158962), (4, 5079481), (11, 1847084), (17, 1195172), (22, 923542), (23, 883388), (34, 597586), (44, 461771), (46, 441694), (68, 298793), (92, 220847), (187, 108652), (253, 80308), (374, 54326), (391, 51964), (506, 40154), (748, 27163), (782, 25982), (1012, 20077), (1181, 17204), (1564, 12991), (2362, 8602), (4301, 4724)]