20252995

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 29352960

約数和(自身を除く): 9099965

約数列:

[1, 5, 7, 23, 35, 115, 139, 161, 181, 695, 805, 905, 973, 1267, 3197, 4163, 4865, 6335, 15985, 20815, 22379, 25159, 29141, 111895, 125795, 145705, 176113, 578657, 880565, 2893285, 4050599, 20252995]

約数ペア:

[(1, 20252995), (5, 4050599), (7, 2893285), (23, 880565), (35, 578657), (115, 176113), (139, 145705), (161, 125795), (181, 111895), (695, 29141), (805, 25159), (905, 22379), (973, 20815), (1267, 15985), (3197, 6335), (4163, 4865)]