20145942700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{15496879}}^1$

素因数の和:15496906

約数の個数: 36

約数和(自身を含む): 47079521440

約数和(自身を除く): 26933578740

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 15496879, 30993758, 61987516, 77484395, 154968790, 201459427, 309937580, 387421975, 402918854, 774843950, 805837708, 1007297135, 1549687900, 2014594270, 4029188540, 5036485675, 10072971350, 20145942700]

約数ペア:

[(1, 20145942700), (2, 10072971350), (4, 5036485675), (5, 4029188540), (10, 2014594270), (13, 1549687900), (20, 1007297135), (25, 805837708), (26, 774843950), (50, 402918854), (52, 387421975), (65, 309937580), (100, 201459427), (130, 154968790), (260, 77484395), (325, 61987516), (650, 30993758), (1300, 15496879)]