20103655

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{907}}^1$

素因数の和:967

約数の個数: 32

約数和(自身を含む): 29288448

約数和(自身を除く): 9184793

約数列:

[1, 5, 11, 13, 31, 55, 65, 143, 155, 341, 403, 715, 907, 1705, 2015, 4433, 4535, 9977, 11791, 22165, 28117, 49885, 58955, 129701, 140585, 309287, 365521, 648505, 1546435, 1827605, 4020731, 20103655]

約数ペア:

[(1, 20103655), (5, 4020731), (11, 1827605), (13, 1546435), (31, 648505), (55, 365521), (65, 309287), (143, 140585), (155, 129701), (341, 58955), (403, 49885), (715, 28117), (907, 22165), (1705, 11791), (2015, 9977), (4433, 4535)]