20739968205

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1103}}^1\times {\mathrm{1373}}^1$

素因数の和:2578

約数の個数: 64

約数和(自身を含む): 36696748032

約数和(自身を除く): 15956779827

約数列:

[1, 3, 5, 11, 15, 33, 55, 83, 165, 249, 415, 913, 1103, 1245, 1373, 2739, 3309, 4119, 4565, 5515, 6865, 12133, 13695, 15103, 16545, 20595, 36399, 45309, 60665, 75515, 91549, 113959, 181995, 226545, 274647, 341877, 457745, 569795, 1007039, 1253549, 1373235, 1514419, 1709385, 3021117, 3760647, 4543257, 5035195, 6267745, 7572095, 15105585, 16658609, 18803235, 22716285, 49975827, 83293045, 125696777, 249879135, 377090331, 628483885, 1382664547, 1885451655, 4147993641, 6913322735, 20739968205]

約数ペア:

[(1, 20739968205), (3, 6913322735), (5, 4147993641), (11, 1885451655), (15, 1382664547), (33, 628483885), (55, 377090331), (83, 249879135), (165, 125696777), (249, 83293045), (415, 49975827), (913, 22716285), (1103, 18803235), (1245, 16658609), (1373, 15105585), (2739, 7572095), (3309, 6267745), (4119, 5035195), (4565, 4543257), (5515, 3760647), (6865, 3021117), (12133, 1709385), (13695, 1514419), (15103, 1373235), (16545, 1253549), (20595, 1007039), (36399, 569795), (45309, 457745), (60665, 341877), (75515, 274647), (91549, 226545), (113959, 181995)]