20050641780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25705951}}^1$

素因数の和:25705976

約数の個数: 48

約数和(自身を含む): 60460399104

約数和(自身を除く): 40409757324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 25705951, 51411902, 77117853, 102823804, 128529755, 154235706, 257059510, 308471412, 334177363, 385589265, 514119020, 668354726, 771178530, 1002532089, 1336709452, 1542357060, 1670886815, 2005064178, 3341773630, 4010128356, 5012660445, 6683547260, 10025320890, 20050641780]

約数ペア:

[(1, 20050641780), (2, 10025320890), (3, 6683547260), (4, 5012660445), (5, 4010128356), (6, 3341773630), (10, 2005064178), (12, 1670886815), (13, 1542357060), (15, 1336709452), (20, 1002532089), (26, 771178530), (30, 668354726), (39, 514119020), (52, 385589265), (60, 334177363), (65, 308471412), (78, 257059510), (130, 154235706), (156, 128529755), (195, 102823804), (260, 77117853), (390, 51411902), (780, 25705951)]