20123100298

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{179693}}^1$

素因数の和:180142

約数の個数: 32

約数和(自身を含む): 36398816640

約数和(自身を除く): 16275716342

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 421, 842, 2947, 5894, 7999, 15998, 55993, 111986, 179693, 359386, 1257851, 2515702, 3414167, 6828334, 23899169, 47798338, 75650753, 151301506, 529555271, 1059110542, 1437364307, 2874728614, 10061550149, 20123100298]

約数ペア:

[(1, 20123100298), (2, 10061550149), (7, 2874728614), (14, 1437364307), (19, 1059110542), (38, 529555271), (133, 151301506), (266, 75650753), (421, 47798338), (842, 23899169), (2947, 6828334), (5894, 3414167), (7999, 2515702), (15998, 1257851), (55993, 359386), (111986, 179693)]