20812996321

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1\times {\mathrm{4099}}^1$

素因数の和:4529

約数の個数: 32

約数和(自身を含む): 24057488000

約数和(自身を除く): 3244491679

約数列:

[1, 13, 19, 61, 247, 337, 793, 1159, 4099, 4381, 6403, 15067, 20557, 53287, 77881, 83239, 250039, 267241, 390583, 1012453, 1381363, 3250507, 4750741, 5077579, 17957719, 26245897, 61759633, 84263143, 341196661, 1095420859, 1600999717, 20812996321]

約数ペア:

[(1, 20812996321), (13, 1600999717), (19, 1095420859), (61, 341196661), (247, 84263143), (337, 61759633), (793, 26245897), (1159, 17957719), (4099, 5077579), (4381, 4750741), (6403, 3250507), (15067, 1381363), (20557, 1012453), (53287, 390583), (77881, 267241), (83239, 250039)]