20888930855

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{88997}}^1$

素因数の和:89195

約数の個数: 32

約数和(自身を含む): 28348354944

約数和(自身を除く): 7459424089

約数列:

[1, 5, 13, 23, 65, 115, 157, 299, 785, 1495, 2041, 3611, 10205, 18055, 46943, 88997, 234715, 444985, 1156961, 2046931, 5784805, 10234655, 13972529, 26610103, 69862645, 133050515, 181642877, 321368167, 908214385, 1606840835, 4177786171, 20888930855]

約数ペア:

[(1, 20888930855), (5, 4177786171), (13, 1606840835), (23, 908214385), (65, 321368167), (115, 181642877), (157, 133050515), (299, 69862645), (785, 26610103), (1495, 13972529), (2041, 10234655), (3611, 5784805), (10205, 2046931), (18055, 1156961), (46943, 444985), (88997, 234715)]