20842079792

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{606721}}^1$

素因数の和:606861

約数の個数: 40

約数和(自身を含む): 42883110960

約数和(自身を除く): 22041031168

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 113, 152, 226, 304, 452, 904, 1808, 2147, 4294, 8588, 17176, 34352, 606721, 1213442, 2426884, 4853768, 9707536, 11527699, 23055398, 46110796, 68559473, 92221592, 137118946, 184443184, 274237892, 548475784, 1096951568, 1302629987, 2605259974, 5210519948, 10421039896, 20842079792]

約数ペア:

[(1, 20842079792), (2, 10421039896), (4, 5210519948), (8, 2605259974), (16, 1302629987), (19, 1096951568), (38, 548475784), (76, 274237892), (113, 184443184), (152, 137118946), (226, 92221592), (304, 68559473), (452, 46110796), (904, 23055398), (1808, 11527699), (2147, 9707536), (4294, 4853768), (8588, 2426884), (17176, 1213442), (34352, 606721)]