20770982475

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{311}}^1\times {\mathrm{30707}}^1$

素因数の和:31060

約数の個数: 48

約数和(自身を含む): 35640933120

約数和(自身を除く): 14869950645

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 311, 435, 725, 933, 1555, 2175, 4665, 7775, 9019, 23325, 27057, 30707, 45095, 92121, 135285, 153535, 225475, 460605, 676425, 767675, 890503, 2303025, 2671509, 4452515, 9549877, 13357545, 22262575, 28649631, 47749385, 66787725, 143248155, 238746925, 276946433, 716240775, 830839299, 1384732165, 4154196495, 6923660825, 20770982475]

約数ペア:

[(1, 20770982475), (3, 6923660825), (5, 4154196495), (15, 1384732165), (25, 830839299), (29, 716240775), (75, 276946433), (87, 238746925), (145, 143248155), (311, 66787725), (435, 47749385), (725, 28649631), (933, 22262575), (1555, 13357545), (2175, 9549877), (4665, 4452515), (7775, 2671509), (9019, 2303025), (23325, 890503), (27057, 767675), (30707, 676425), (45095, 460605), (92121, 225475), (135285, 153535)]