20193673892

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1\times {\mathrm{42743}}^1$

素因数の和:43160

約数の個数: 48

約数和(自身を含む): 41362513920

約数和(自身を除く): 21168840028

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 359, 658, 718, 1316, 1436, 2513, 5026, 10052, 16873, 33746, 42743, 67492, 85486, 118111, 170972, 236222, 299201, 472444, 598402, 1196804, 2008921, 4017842, 8035684, 14062447, 15344737, 28124894, 30689474, 56249788, 61378948, 107413159, 214826318, 429652636, 721202639, 1442405278, 2884810556, 5048418473, 10096836946, 20193673892]

約数ペア:

[(1, 20193673892), (2, 10096836946), (4, 5048418473), (7, 2884810556), (14, 1442405278), (28, 721202639), (47, 429652636), (94, 214826318), (188, 107413159), (329, 61378948), (359, 56249788), (658, 30689474), (718, 28124894), (1316, 15344737), (1436, 14062447), (2513, 8035684), (5026, 4017842), (10052, 2008921), (16873, 1196804), (33746, 598402), (42743, 472444), (67492, 299201), (85486, 236222), (118111, 170972)]