20785010520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{173208421}}^1$

素因数の和:173208435

約数の個数: 32

約数和(自身を含む): 62355031920

約数和(自身を除く): 41570021400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 173208421, 346416842, 519625263, 692833684, 866042105, 1039250526, 1385667368, 1732084210, 2078501052, 2598126315, 3464168420, 4157002104, 5196252630, 6928336840, 10392505260, 20785010520]

約数ペア:

[(1, 20785010520), (2, 10392505260), (3, 6928336840), (4, 5196252630), (5, 4157002104), (6, 3464168420), (8, 2598126315), (10, 2078501052), (12, 1732084210), (15, 1385667368), (20, 1039250526), (24, 866042105), (30, 692833684), (40, 519625263), (60, 346416842), (120, 173208421)]