20194398896

素因数分解:

$2^4\times 7^1\times {\mathrm{1997}}^1\times {\mathrm{90289}}^1$

素因数の和:92301

約数の個数: 40

約数和(自身を含む): 44739056160

約数和(自身を除く): 24544657264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1997, 3994, 7988, 13979, 15976, 27958, 31952, 55916, 90289, 111832, 180578, 223664, 361156, 632023, 722312, 1264046, 1444624, 2528092, 5056184, 10112368, 180307133, 360614266, 721228532, 1262149931, 1442457064, 2524299862, 2884914128, 5048599724, 10097199448, 20194398896]

約数ペア:

[(1, 20194398896), (2, 10097199448), (4, 5048599724), (7, 2884914128), (8, 2524299862), (14, 1442457064), (16, 1262149931), (28, 721228532), (56, 360614266), (112, 180307133), (1997, 10112368), (3994, 5056184), (7988, 2528092), (13979, 1444624), (15976, 1264046), (27958, 722312), (31952, 632023), (55916, 361156), (90289, 223664), (111832, 180578)]