20147856780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1279}}^1\times {\mathrm{2549}}^1$

素因数の和:3943

約数の個数: 96

約数和(自身を含む): 57028608000

約数和(自身を除く): 36880751220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 309, 412, 515, 618, 1030, 1236, 1279, 1545, 2060, 2549, 2558, 3090, 3837, 5098, 5116, 6180, 6395, 7647, 7674, 10196, 12745, 12790, 15294, 15348, 19185, 25490, 25580, 30588, 38235, 38370, 50980, 76470, 76740, 131737, 152940, 262547, 263474, 395211, 525094, 526948, 658685, 787641, 790422, 1050188, 1312735, 1317370, 1575282, 1580844, 1976055, 2625470, 2634740, 3150564, 3260171, 3938205, 3952110, 5250940, 6520342, 7876410, 7904220, 9780513, 13040684, 15752820, 16300855, 19561026, 32601710, 39122052, 48902565, 65203420, 97805130, 195610260, 335797613, 671595226, 1007392839, 1343190452, 1678988065, 2014785678, 3357976130, 4029571356, 5036964195, 6715952260, 10073928390, 20147856780]

約数ペア:

[(1, 20147856780), (2, 10073928390), (3, 6715952260), (4, 5036964195), (5, 4029571356), (6, 3357976130), (10, 2014785678), (12, 1678988065), (15, 1343190452), (20, 1007392839), (30, 671595226), (60, 335797613), (103, 195610260), (206, 97805130), (309, 65203420), (412, 48902565), (515, 39122052), (618, 32601710), (1030, 19561026), (1236, 16300855), (1279, 15752820), (1545, 13040684), (2060, 9780513), (2549, 7904220), (2558, 7876410), (3090, 6520342), (3837, 5250940), (5098, 3952110), (5116, 3938205), (6180, 3260171), (6395, 3150564), (7647, 2634740), (7674, 2625470), (10196, 1976055), (12745, 1580844), (12790, 1575282), (15294, 1317370), (15348, 1312735), (19185, 1050188), (25490, 790422), (25580, 787641), (30588, 658685), (38235, 526948), (38370, 525094), (50980, 395211), (76470, 263474), (76740, 262547), (131737, 152940)]