20161958456

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{1019}}^1\times {\mathrm{31307}}^1$

素因数の和:32411

約数の個数: 32

約数和(自身を含む): 38320992000

約数和(自身を除く): 18159033544

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 1019, 2038, 4076, 8152, 31307, 62614, 80501, 125228, 161002, 250456, 322004, 644008, 2473253, 4946506, 9893012, 19786024, 31901833, 63803666, 127607332, 255214664, 2520244807, 5040489614, 10080979228, 20161958456]

約数ペア:

[(1, 20161958456), (2, 10080979228), (4, 5040489614), (8, 2520244807), (79, 255214664), (158, 127607332), (316, 63803666), (632, 31901833), (1019, 19786024), (2038, 9893012), (4076, 4946506), (8152, 2473253), (31307, 644008), (62614, 322004), (80501, 250456), (125228, 161002)]