20399316

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{5167}}^1$

素因数の和:5228

約数の個数: 48

約数和(自身を含む): 55566336

約数和(自身を除く): 35167020

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 141, 188, 282, 329, 564, 658, 987, 1316, 1974, 3948, 5167, 10334, 15501, 20668, 31002, 36169, 62004, 72338, 108507, 144676, 217014, 242849, 434028, 485698, 728547, 971396, 1457094, 1699943, 2914188, 3399886, 5099829, 6799772, 10199658, 20399316]

約数ペア:

[(1, 20399316), (2, 10199658), (3, 6799772), (4, 5099829), (6, 3399886), (7, 2914188), (12, 1699943), (14, 1457094), (21, 971396), (28, 728547), (42, 485698), (47, 434028), (84, 242849), (94, 217014), (141, 144676), (188, 108507), (282, 72338), (329, 62004), (564, 36169), (658, 31002), (987, 20668), (1316, 15501), (1974, 10334), (3948, 5167)]