20460340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2341}}^1$

素因数の和:2392

約数の個数: 48

約数和(自身を含む): 47214720

約数和(自身を除く): 26754380

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 2341, 4370, 4682, 8740, 9364, 11705, 23410, 44479, 46820, 53843, 88958, 107686, 177916, 215372, 222395, 269215, 444790, 538430, 889580, 1023017, 1076860, 2046034, 4092068, 5115085, 10230170, 20460340]

約数ペア:

[(1, 20460340), (2, 10230170), (4, 5115085), (5, 4092068), (10, 2046034), (19, 1076860), (20, 1023017), (23, 889580), (38, 538430), (46, 444790), (76, 269215), (92, 222395), (95, 215372), (115, 177916), (190, 107686), (230, 88958), (380, 53843), (437, 46820), (460, 44479), (874, 23410), (1748, 11705), (2185, 9364), (2341, 8740), (4370, 4682)]