20421846

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{283}}^1$

素因数の和:521

約数の個数: 48

約数和(自身を含む): 46962240

約数和(自身を除く): 26540394

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 211, 283, 342, 422, 566, 633, 849, 1266, 1698, 1899, 2547, 3798, 4009, 5094, 5377, 8018, 10754, 12027, 16131, 24054, 32262, 36081, 48393, 59713, 72162, 96786, 119426, 179139, 358278, 537417, 1074834, 1134547, 2269094, 3403641, 6807282, 10210923, 20421846]

約数ペア:

[(1, 20421846), (2, 10210923), (3, 6807282), (6, 3403641), (9, 2269094), (18, 1134547), (19, 1074834), (38, 537417), (57, 358278), (114, 179139), (171, 119426), (211, 96786), (283, 72162), (342, 59713), (422, 48393), (566, 36081), (633, 32262), (849, 24054), (1266, 16131), (1698, 12027), (1899, 10754), (2547, 8018), (3798, 5377), (4009, 5094)]