20312156930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1\times {\mathrm{252419}}^1$

素因数の和:253058

約数の個数: 32

約数和(自身を含む): 39438100800

約数和(自身を除く): 19125943870

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 619, 1238, 3095, 6190, 8047, 16094, 40235, 80470, 252419, 504838, 1262095, 2524190, 3281447, 6562894, 16407235, 32814470, 156247361, 312494722, 781236805, 1562473610, 2031215693, 4062431386, 10156078465, 20312156930]

約数ペア:

[(1, 20312156930), (2, 10156078465), (5, 4062431386), (10, 2031215693), (13, 1562473610), (26, 781236805), (65, 312494722), (130, 156247361), (619, 32814470), (1238, 16407235), (3095, 6562894), (6190, 3281447), (8047, 2524190), (16094, 1262095), (40235, 504838), (80470, 252419)]