20195661642

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{643}}^1\times {\mathrm{1433}}^1$

素因数の和:2375

約数の個数: 64

約数和(自身を含む): 43751546496

約数和(自身を除く): 23555884854

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 281, 562, 643, 843, 1286, 1433, 1686, 1929, 2866, 3653, 3858, 4299, 7306, 8359, 8598, 10959, 16718, 18629, 21918, 25077, 37258, 50154, 55887, 111774, 180683, 361366, 402673, 542049, 805346, 921419, 1084098, 1208019, 1842838, 2348879, 2416038, 2764257, 4697758, 5234749, 5528514, 7046637, 10469498, 11978447, 14093274, 15704247, 23956894, 31408494, 35935341, 71870682, 258918739, 517837478, 776756217, 1553512434, 3365943607, 6731887214, 10097830821, 20195661642]

約数ペア:

[(1, 20195661642), (2, 10097830821), (3, 6731887214), (6, 3365943607), (13, 1553512434), (26, 776756217), (39, 517837478), (78, 258918739), (281, 71870682), (562, 35935341), (643, 31408494), (843, 23956894), (1286, 15704247), (1433, 14093274), (1686, 11978447), (1929, 10469498), (2866, 7046637), (3653, 5528514), (3858, 5234749), (4299, 4697758), (7306, 2764257), (8359, 2416038), (8598, 2348879), (10959, 1842838), (16718, 1208019), (18629, 1084098), (21918, 921419), (25077, 805346), (37258, 542049), (50154, 402673), (55887, 361366), (111774, 180683)]