20630810

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1091}}^1$

素因数の和:1190

約数の個数: 32

約数和(自身を含む): 38997504

約数和(自身を除く): 18366694

約数列:

[1, 2, 5, 10, 31, 61, 62, 122, 155, 305, 310, 610, 1091, 1891, 2182, 3782, 5455, 9455, 10910, 18910, 33821, 66551, 67642, 133102, 169105, 332755, 338210, 665510, 2063081, 4126162, 10315405, 20630810]

約数ペア:

[(1, 20630810), (2, 10315405), (5, 4126162), (10, 2063081), (31, 665510), (61, 338210), (62, 332755), (122, 169105), (155, 133102), (305, 67642), (310, 66551), (610, 33821), (1091, 18910), (1891, 10910), (2182, 9455), (3782, 5455)]