20153949735

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1621}}^1\times {\mathrm{48757}}^1$

素因数の和:50403

約数の個数: 32

約数和(自身を含む): 34164925632

約数和(自身を除く): 14010975897

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 1621, 4863, 8105, 24315, 27557, 48757, 82671, 137785, 146271, 243785, 413355, 731355, 828869, 2486607, 4144345, 12433035, 79035097, 237105291, 395175485, 1185526455, 1343596649, 4030789947, 6717983245, 20153949735]

約数ペア:

[(1, 20153949735), (3, 6717983245), (5, 4030789947), (15, 1343596649), (17, 1185526455), (51, 395175485), (85, 237105291), (255, 79035097), (1621, 12433035), (4863, 4144345), (8105, 2486607), (24315, 828869), (27557, 731355), (48757, 413355), (82671, 243785), (137785, 146271)]