20105780740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{132049}}^1$

素因数の和:132412

約数の個数: 48

約数和(自身を含む): 44191324800

約数和(自身を除く): 24085544060

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 331, 460, 662, 1324, 1655, 3310, 6620, 7613, 15226, 30452, 38065, 76130, 132049, 152260, 264098, 528196, 660245, 1320490, 2640980, 3037127, 6074254, 12148508, 15185635, 30371270, 43708219, 60742540, 87416438, 174832876, 218541095, 437082190, 874164380, 1005289037, 2010578074, 4021156148, 5026445185, 10052890370, 20105780740]

約数ペア:

[(1, 20105780740), (2, 10052890370), (4, 5026445185), (5, 4021156148), (10, 2010578074), (20, 1005289037), (23, 874164380), (46, 437082190), (92, 218541095), (115, 174832876), (230, 87416438), (331, 60742540), (460, 43708219), (662, 30371270), (1324, 15185635), (1655, 12148508), (3310, 6074254), (6620, 3037127), (7613, 2640980), (15226, 1320490), (30452, 660245), (38065, 528196), (76130, 264098), (132049, 152260)]