20123686068

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{193133}}^1$

素因数の和:193616

約数の個数: 48

約数和(自身を含む): 49535008320

約数和(自身を除く): 29411322252

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 457, 914, 1371, 1828, 2742, 5484, 8683, 17366, 26049, 34732, 52098, 104196, 193133, 386266, 579399, 772532, 1158798, 2317596, 3669527, 7339054, 11008581, 14678108, 22017162, 44034324, 88261781, 176523562, 264785343, 353047124, 529570686, 1059141372, 1676973839, 3353947678, 5030921517, 6707895356, 10061843034, 20123686068]

約数ペア:

[(1, 20123686068), (2, 10061843034), (3, 6707895356), (4, 5030921517), (6, 3353947678), (12, 1676973839), (19, 1059141372), (38, 529570686), (57, 353047124), (76, 264785343), (114, 176523562), (228, 88261781), (457, 44034324), (914, 22017162), (1371, 14678108), (1828, 11008581), (2742, 7339054), (5484, 3669527), (8683, 2317596), (17366, 1158798), (26049, 772532), (34732, 579399), (52098, 386266), (104196, 193133)]