20398049300

素因数分解:

$2^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{1557103}}^1$

素因数の和:1557248

約数の個数: 36

約数和(自身を含む): 44601686976

約数和(自身を除く): 24203637676

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 131, 262, 524, 655, 1310, 2620, 3275, 6550, 13100, 1557103, 3114206, 6228412, 7785515, 15571030, 31142060, 38927575, 77855150, 155710300, 203980493, 407960986, 815921972, 1019902465, 2039804930, 4079609860, 5099512325, 10199024650, 20398049300]

約数ペア:

[(1, 20398049300), (2, 10199024650), (4, 5099512325), (5, 4079609860), (10, 2039804930), (20, 1019902465), (25, 815921972), (50, 407960986), (100, 203980493), (131, 155710300), (262, 77855150), (524, 38927575), (655, 31142060), (1310, 15571030), (2620, 7785515), (3275, 6228412), (6550, 3114206), (13100, 1557103)]