20123248548

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{648217}}^1$

素因数の和:648436

約数の個数: 48

約数和(自身を含む): 50820291200

約数和(自身を除く): 30697042652

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 199, 398, 597, 796, 1194, 2388, 2587, 5174, 7761, 10348, 15522, 31044, 648217, 1296434, 1944651, 2592868, 3889302, 7778604, 8426821, 16853642, 25280463, 33707284, 50560926, 101121852, 128995183, 257990366, 386985549, 515980732, 773971098, 1547942196, 1676937379, 3353874758, 5030812137, 6707749516, 10061624274, 20123248548]

約数ペア:

[(1, 20123248548), (2, 10061624274), (3, 6707749516), (4, 5030812137), (6, 3353874758), (12, 1676937379), (13, 1547942196), (26, 773971098), (39, 515980732), (52, 386985549), (78, 257990366), (156, 128995183), (199, 101121852), (398, 50560926), (597, 33707284), (796, 25280463), (1194, 16853642), (2388, 8426821), (2587, 7778604), (5174, 3889302), (7761, 2592868), (10348, 1944651), (15522, 1296434), (31044, 648217)]