20954580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9439}}^1$

素因数の和:9488

約数の個数: 48

約数和(自身を含む): 60264960

約数和(自身を除く): 39310380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 9439, 18878, 28317, 37756, 47195, 56634, 94390, 113268, 141585, 188780, 283170, 349243, 566340, 698486, 1047729, 1396972, 1746215, 2095458, 3492430, 4190916, 5238645, 6984860, 10477290, 20954580]

約数ペア:

[(1, 20954580), (2, 10477290), (3, 6984860), (4, 5238645), (5, 4190916), (6, 3492430), (10, 2095458), (12, 1746215), (15, 1396972), (20, 1047729), (30, 698486), (37, 566340), (60, 349243), (74, 283170), (111, 188780), (148, 141585), (185, 113268), (222, 94390), (370, 56634), (444, 47195), (555, 37756), (740, 28317), (1110, 18878), (2220, 9439)]