20290504

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5273}}^1$

素因数の和:5329

約数の個数: 32

約数和(自身を含む): 42086520

約数和(自身を除く): 21796016

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 296, 481, 962, 1924, 3848, 5273, 10546, 21092, 42184, 68549, 137098, 195101, 274196, 390202, 548392, 780404, 1560808, 2536313, 5072626, 10145252, 20290504]

約数ペア:

[(1, 20290504), (2, 10145252), (4, 5072626), (8, 2536313), (13, 1560808), (26, 780404), (37, 548392), (52, 390202), (74, 274196), (104, 195101), (148, 137098), (296, 68549), (481, 42184), (962, 21092), (1924, 10546), (3848, 5273)]