20593566

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1193}}^1$

素因数の和:1345

約数の個数: 48

約数和(自身を含む): 51408864

約数和(自身を除く): 30815298

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 137, 274, 411, 822, 959, 1193, 1233, 1918, 2386, 2466, 2877, 3579, 5754, 7158, 8351, 8631, 10737, 16702, 17262, 21474, 25053, 50106, 75159, 150318, 163441, 326882, 490323, 980646, 1144087, 1470969, 2288174, 2941938, 3432261, 6864522, 10296783, 20593566]

約数ペア:

[(1, 20593566), (2, 10296783), (3, 6864522), (6, 3432261), (7, 2941938), (9, 2288174), (14, 1470969), (18, 1144087), (21, 980646), (42, 490323), (63, 326882), (126, 163441), (137, 150318), (274, 75159), (411, 50106), (822, 25053), (959, 21474), (1193, 17262), (1233, 16702), (1918, 10737), (2386, 8631), (2466, 8351), (2877, 7158), (3579, 5754)]