20123997140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2309}}^1\times {\mathrm{33521}}^1$

素因数の和:35852

約数の個数: 48

約数和(自身を含む): 45532262160

約数和(自身を除く): 25408265020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2309, 4618, 9236, 11545, 23090, 30017, 33521, 46180, 60034, 67042, 120068, 134084, 150085, 167605, 300170, 335210, 435773, 600340, 670420, 871546, 1743092, 2178865, 4357730, 8715460, 77399989, 154799978, 309599956, 386999945, 773999890, 1006199857, 1547999780, 2012399714, 4024799428, 5030999285, 10061998570, 20123997140]

約数ペア:

[(1, 20123997140), (2, 10061998570), (4, 5030999285), (5, 4024799428), (10, 2012399714), (13, 1547999780), (20, 1006199857), (26, 773999890), (52, 386999945), (65, 309599956), (130, 154799978), (260, 77399989), (2309, 8715460), (4618, 4357730), (9236, 2178865), (11545, 1743092), (23090, 871546), (30017, 670420), (33521, 600340), (46180, 435773), (60034, 335210), (67042, 300170), (120068, 167605), (134084, 150085)]