20122700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{673}}^1$

素因数の和:723

約数の個数: 72

約数和(自身を含む): 49142688

約数和(自身を除く): 29019988

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 25, 26, 46, 50, 52, 65, 92, 100, 115, 130, 230, 260, 299, 325, 460, 575, 598, 650, 673, 1150, 1196, 1300, 1346, 1495, 2300, 2692, 2990, 3365, 5980, 6730, 7475, 8749, 13460, 14950, 15479, 16825, 17498, 29900, 30958, 33650, 34996, 43745, 61916, 67300, 77395, 87490, 154790, 174980, 201227, 218725, 309580, 386975, 402454, 437450, 773950, 804908, 874900, 1006135, 1547900, 2012270, 4024540, 5030675, 10061350, 20122700]

約数ペア:

[(1, 20122700), (2, 10061350), (4, 5030675), (5, 4024540), (10, 2012270), (13, 1547900), (20, 1006135), (23, 874900), (25, 804908), (26, 773950), (46, 437450), (50, 402454), (52, 386975), (65, 309580), (92, 218725), (100, 201227), (115, 174980), (130, 154790), (230, 87490), (260, 77395), (299, 67300), (325, 61916), (460, 43745), (575, 34996), (598, 33650), (650, 30958), (673, 29900), (1150, 17498), (1196, 16825), (1300, 15479), (1346, 14950), (1495, 13460), (2300, 8749), (2692, 7475), (2990, 6730), (3365, 5980)]