20179933865

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{134807}}^1$

素因数の和:134886

約数の個数: 48

約数和(自身を含む): 30982113792

約数和(自身を除く): 10802179927

約数列:

[1, 5, 7, 13, 35, 47, 49, 65, 91, 235, 245, 329, 455, 611, 637, 1645, 2303, 3055, 3185, 4277, 11515, 21385, 29939, 134807, 149695, 674035, 943649, 1752491, 4718245, 6335929, 6605543, 8762455, 12267437, 31679645, 33027715, 44351503, 61337185, 82367077, 85872059, 221757515, 310460521, 411835385, 429360295, 576569539, 1552302605, 2882847695, 4035986773, 20179933865]

約数ペア:

[(1, 20179933865), (5, 4035986773), (7, 2882847695), (13, 1552302605), (35, 576569539), (47, 429360295), (49, 411835385), (65, 310460521), (91, 221757515), (235, 85872059), (245, 82367077), (329, 61337185), (455, 44351503), (611, 33027715), (637, 31679645), (1645, 12267437), (2303, 8762455), (3055, 6605543), (3185, 6335929), (4277, 4718245), (11515, 1752491), (21385, 943649), (29939, 674035), (134807, 149695)]