20487632240

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{2266331}}^1$

素因数の和:2266457

約数の個数: 40

約数和(自身を含む): 48055303728

約数和(自身を除く): 27567671488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 9040, 2266331, 4532662, 9065324, 11331655, 18130648, 22663310, 36261296, 45326620, 90653240, 181306480, 256095403, 512190806, 1024381612, 1280477015, 2048763224, 2560954030, 4097526448, 5121908060, 10243816120, 20487632240]

約数ペア:

[(1, 20487632240), (2, 10243816120), (4, 5121908060), (5, 4097526448), (8, 2560954030), (10, 2048763224), (16, 1280477015), (20, 1024381612), (40, 512190806), (80, 256095403), (113, 181306480), (226, 90653240), (452, 45326620), (565, 36261296), (904, 22663310), (1130, 18130648), (1808, 11331655), (2260, 9065324), (4520, 4532662), (9040, 2266331)]