20106255

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4483}}^1$

素因数の和:4527

約数の個数: 32

約数和(自身を含む): 36158976

約数和(自身を除く): 16052721

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4483, 4485, 13449, 22415, 58279, 67245, 103109, 174837, 291395, 309327, 515545, 874185, 1340417, 1546635, 4021251, 6702085, 20106255]

約数ペア:

[(1, 20106255), (3, 6702085), (5, 4021251), (13, 1546635), (15, 1340417), (23, 874185), (39, 515545), (65, 309327), (69, 291395), (115, 174837), (195, 103109), (299, 67245), (345, 58279), (897, 22415), (1495, 13449), (4483, 4485)]