20122517870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3158951}}^1$

素因数の和:3158985

約数の個数: 48

約数和(自身を含む): 45375186528

約数和(自身を除く): 25252668658

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 6370, 3158951, 6317902, 15794755, 22112657, 31589510, 41066363, 44225314, 82132726, 110563285, 154788599, 205331815, 221126570, 287464541, 309577198, 410663630, 574929082, 773942995, 1437322705, 1547885990, 2012251787, 2874645410, 4024503574, 10061258935, 20122517870]

約数ペア:

[(1, 20122517870), (2, 10061258935), (5, 4024503574), (7, 2874645410), (10, 2012251787), (13, 1547885990), (14, 1437322705), (26, 773942995), (35, 574929082), (49, 410663630), (65, 309577198), (70, 287464541), (91, 221126570), (98, 205331815), (130, 154788599), (182, 110563285), (245, 82132726), (455, 44225314), (490, 41066363), (637, 31589510), (910, 22112657), (1274, 15794755), (3185, 6317902), (6370, 3158951)]