20512474506

素因数分解:

$2^1\times 3^4\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{16273}}^1$

素因数の和:16569

約数の個数: 80

約数和(自身を含む): 47637773568

約数和(自身を除く): 27125299062

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 81, 93, 162, 186, 251, 279, 502, 558, 753, 837, 1506, 1674, 2259, 2511, 4518, 5022, 6777, 7781, 13554, 15562, 16273, 20331, 23343, 32546, 40662, 46686, 48819, 70029, 97638, 140058, 146457, 210087, 292914, 420174, 439371, 504463, 630261, 878742, 1008926, 1260522, 1318113, 1513389, 2636226, 3026778, 4084523, 4540167, 8169046, 9080334, 12253569, 13620501, 24507138, 27241002, 36760707, 40861503, 73521414, 81723006, 110282121, 126620213, 220564242, 253240426, 330846363, 379860639, 661692726, 759721278, 1139581917, 2279163834, 3418745751, 6837491502, 10256237253, 20512474506]

約数ペア:

[(1, 20512474506), (2, 10256237253), (3, 6837491502), (6, 3418745751), (9, 2279163834), (18, 1139581917), (27, 759721278), (31, 661692726), (54, 379860639), (62, 330846363), (81, 253240426), (93, 220564242), (162, 126620213), (186, 110282121), (251, 81723006), (279, 73521414), (502, 40861503), (558, 36760707), (753, 27241002), (837, 24507138), (1506, 13620501), (1674, 12253569), (2259, 9080334), (2511, 8169046), (4518, 4540167), (5022, 4084523), (6777, 3026778), (7781, 2636226), (13554, 1513389), (15562, 1318113), (16273, 1260522), (20331, 1008926), (23343, 878742), (32546, 630261), (40662, 504463), (46686, 439371), (48819, 420174), (70029, 292914), (97638, 210087), (140058, 146457)]