20040420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3307}}^1$

素因数の和:3420

約数の個数: 48

約数和(自身を含む): 56685888

約数和(自身を除く): 36645468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 303, 404, 505, 606, 1010, 1212, 1515, 2020, 3030, 3307, 6060, 6614, 9921, 13228, 16535, 19842, 33070, 39684, 49605, 66140, 99210, 198420, 334007, 668014, 1002021, 1336028, 1670035, 2004042, 3340070, 4008084, 5010105, 6680140, 10020210, 20040420]

約数ペア:

[(1, 20040420), (2, 10020210), (3, 6680140), (4, 5010105), (5, 4008084), (6, 3340070), (10, 2004042), (12, 1670035), (15, 1336028), (20, 1002021), (30, 668014), (60, 334007), (101, 198420), (202, 99210), (303, 66140), (404, 49605), (505, 39684), (606, 33070), (1010, 19842), (1212, 16535), (1515, 13228), (2020, 9921), (3030, 6614), (3307, 6060)]