20121482495

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{397}}^1\times {\mathrm{3217}}^1$

素因数の和:3779

約数の個数: 32

約数和(自身を含む): 25451342208

約数和(自身を除く): 5329859713

約数列:

[1, 5, 23, 115, 137, 397, 685, 1985, 3151, 3217, 9131, 15755, 16085, 45655, 54389, 73991, 271945, 369955, 440729, 1250947, 1277149, 2203645, 6254735, 6385745, 10136767, 29374427, 50683835, 146872135, 174969413, 874847065, 4024296499, 20121482495]

約数ペア:

[(1, 20121482495), (5, 4024296499), (23, 874847065), (115, 174969413), (137, 146872135), (397, 50683835), (685, 29374427), (1985, 10136767), (3151, 6385745), (3217, 6254735), (9131, 2203645), (15755, 1277149), (16085, 1250947), (45655, 440729), (54389, 369955), (73991, 271945)]