20123077670

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1627}}^1\times {\mathrm{42649}}^1$

素因数の和:44312

約数の個数: 32

約数和(自身を含む): 37494468000

約数和(自身を除く): 17371390330

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 1627, 3254, 8135, 16270, 42649, 47183, 85298, 94366, 213245, 235915, 426490, 471830, 1236821, 2473642, 6184105, 12368210, 69389923, 138779846, 346949615, 693899230, 2012307767, 4024615534, 10061538835, 20123077670]

約数ペア:

[(1, 20123077670), (2, 10061538835), (5, 4024615534), (10, 2012307767), (29, 693899230), (58, 346949615), (145, 138779846), (290, 69389923), (1627, 12368210), (3254, 6184105), (8135, 2473642), (16270, 1236821), (42649, 471830), (47183, 426490), (85298, 235915), (94366, 213245)]