20521842

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1229}}^1$

素因数の和:1279

約数の個数: 48

約数和(自身を含む): 47113920

約数和(自身を除く): 26592078

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 121, 138, 242, 253, 363, 506, 726, 759, 1229, 1518, 2458, 2783, 3687, 5566, 7374, 8349, 13519, 16698, 27038, 28267, 40557, 56534, 81114, 84801, 148709, 169602, 297418, 310937, 446127, 621874, 892254, 932811, 1865622, 3420307, 6840614, 10260921, 20521842]

約数ペア:

[(1, 20521842), (2, 10260921), (3, 6840614), (6, 3420307), (11, 1865622), (22, 932811), (23, 892254), (33, 621874), (46, 446127), (66, 310937), (69, 297418), (121, 169602), (138, 148709), (242, 84801), (253, 81114), (363, 56534), (506, 40557), (726, 28267), (759, 27038), (1229, 16698), (1518, 13519), (2458, 8349), (2783, 7374), (3687, 5566)]