20398840777

素因数分解:

$7^5\times {\mathrm{37}}^1\times {\mathrm{32803}}^1$

素因数の和:32875

約数の個数: 24

約数和(自身を含む): 24442391616

約数和(自身を除く): 4043550839

約数列:

[1, 7, 37, 49, 259, 343, 1813, 2401, 12691, 16807, 32803, 88837, 229621, 621859, 1213711, 1607347, 8495977, 11251429, 59471839, 78760003, 416302873, 551320021, 2914120111, 20398840777]

約数ペア:

[(1, 20398840777), (7, 2914120111), (37, 551320021), (49, 416302873), (259, 78760003), (343, 59471839), (1813, 11251429), (2401, 8495977), (12691, 1607347), (16807, 1213711), (32803, 621859), (88837, 229621)]