20171946825

素因数分解:

$3^2\times 5^2\times {\mathrm{163}}^1\times {\mathrm{587}}^1\times {\mathrm{937}}^1$

素因数の和:1703

約数の個数: 72

約数和(自身を含む): 36452646048

約数和(自身を除く): 16280699223

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 163, 225, 489, 587, 815, 937, 1467, 1761, 2445, 2811, 2935, 4075, 4685, 5283, 7335, 8433, 8805, 12225, 14055, 14675, 23425, 26415, 36675, 42165, 44025, 70275, 95681, 132075, 152731, 210825, 287043, 458193, 478405, 550019, 763655, 861129, 1374579, 1435215, 1650057, 2290965, 2392025, 2750095, 3818275, 4305645, 4950171, 6872895, 7176075, 8250285, 11454825, 13750475, 21528225, 24750855, 34364475, 41251425, 89653097, 123754275, 268959291, 448265485, 806877873, 1344796455, 2241327425, 4034389365, 6723982275, 20171946825]

約数ペア:

[(1, 20171946825), (3, 6723982275), (5, 4034389365), (9, 2241327425), (15, 1344796455), (25, 806877873), (45, 448265485), (75, 268959291), (163, 123754275), (225, 89653097), (489, 41251425), (587, 34364475), (815, 24750855), (937, 21528225), (1467, 13750475), (1761, 11454825), (2445, 8250285), (2811, 7176075), (2935, 6872895), (4075, 4950171), (4685, 4305645), (5283, 3818275), (7335, 2750095), (8433, 2392025), (8805, 2290965), (12225, 1650057), (14055, 1435215), (14675, 1374579), (23425, 861129), (26415, 763655), (36675, 550019), (42165, 478405), (44025, 458193), (70275, 287043), (95681, 210825), (132075, 152731)]