20445228

素因数分解:

$2^2\times 3^2\times {\mathrm{101}}^1\times {\mathrm{5623}}^1$

素因数の和:5734

約数の個数: 36

約数和(自身を含む): 52201968

約数和(自身を除く): 31756740

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 101, 202, 303, 404, 606, 909, 1212, 1818, 3636, 5623, 11246, 16869, 22492, 33738, 50607, 67476, 101214, 202428, 567923, 1135846, 1703769, 2271692, 3407538, 5111307, 6815076, 10222614, 20445228]

約数ペア:

[(1, 20445228), (2, 10222614), (3, 6815076), (4, 5111307), (6, 3407538), (9, 2271692), (12, 1703769), (18, 1135846), (36, 567923), (101, 202428), (202, 101214), (303, 67476), (404, 50607), (606, 33738), (909, 22492), (1212, 16869), (1818, 11246), (3636, 5623)]