20006080

素因数分解:

$2^6\times 5^1\times {\mathrm{101}}^1\times {\mathrm{619}}^1$

素因数の和:737

約数の個数: 56

約数和(自身を含む): 48188880

約数和(自身を除く): 28182800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 160, 202, 320, 404, 505, 619, 808, 1010, 1238, 1616, 2020, 2476, 3095, 3232, 4040, 4952, 6190, 6464, 8080, 9904, 12380, 16160, 19808, 24760, 32320, 39616, 49520, 62519, 99040, 125038, 198080, 250076, 312595, 500152, 625190, 1000304, 1250380, 2000608, 2500760, 4001216, 5001520, 10003040, 20006080]

約数ペア:

[(1, 20006080), (2, 10003040), (4, 5001520), (5, 4001216), (8, 2500760), (10, 2000608), (16, 1250380), (20, 1000304), (32, 625190), (40, 500152), (64, 312595), (80, 250076), (101, 198080), (160, 125038), (202, 99040), (320, 62519), (404, 49520), (505, 39616), (619, 32320), (808, 24760), (1010, 19808), (1238, 16160), (1616, 12380), (2020, 9904), (2476, 8080), (3095, 6464), (3232, 6190), (4040, 4952)]