20321796755

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{857}}^1\times {\mathrm{4099}}^1$

素因数の和:5063

約数の個数: 32

約数和(自身を含む): 26594568000

約数和(自身を除く): 6272771245

約数列:

[1, 5, 13, 65, 89, 445, 857, 1157, 4099, 4285, 5785, 11141, 20495, 53287, 55705, 76273, 266435, 364811, 381365, 991549, 1824055, 3512843, 4742543, 4957745, 17564215, 23712715, 45666959, 228334795, 312643027, 1563215135, 4064359351, 20321796755]

約数ペア:

[(1, 20321796755), (5, 4064359351), (13, 1563215135), (65, 312643027), (89, 228334795), (445, 45666959), (857, 23712715), (1157, 17564215), (4099, 4957745), (4285, 4742543), (5785, 3512843), (11141, 1824055), (20495, 991549), (53287, 381365), (55705, 364811), (76273, 266435)]