20105972615

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{631}}^1$

素因数の和:940

約数の個数: 48

約数和(自身を含む): 25889955840

約数和(自身を除く): 5783983225

約数列:

[1, 5, 19, 95, 127, 139, 361, 631, 635, 695, 1805, 2413, 2641, 3155, 11989, 12065, 13205, 17653, 45847, 50179, 59945, 80137, 87709, 88265, 227791, 229235, 250895, 335407, 400685, 438545, 1138955, 1522603, 1666471, 1677035, 6372733, 7613015, 8332355, 11139043, 28929457, 31662949, 31863665, 55695215, 144647285, 158314745, 211641817, 1058209085, 4021194523, 20105972615]

約数ペア:

[(1, 20105972615), (5, 4021194523), (19, 1058209085), (95, 211641817), (127, 158314745), (139, 144647285), (361, 55695215), (631, 31863665), (635, 31662949), (695, 28929457), (1805, 11139043), (2413, 8332355), (2641, 7613015), (3155, 6372733), (11989, 1677035), (12065, 1666471), (13205, 1522603), (17653, 1138955), (45847, 438545), (50179, 400685), (59945, 335407), (80137, 250895), (87709, 229235), (88265, 227791)]