20080865025

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{34849}}^1$

素因数の和:35075

約数の個数: 72

約数和(自身を含む): 38931492600

約数和(自身を除く): 18850627575

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 197, 225, 325, 585, 591, 975, 985, 1773, 2561, 2925, 2955, 4925, 7683, 8865, 12805, 14775, 23049, 34849, 38415, 44325, 64025, 104547, 115245, 174245, 192075, 313641, 453037, 522735, 576225, 871225, 1359111, 1568205, 2265185, 2613675, 4077333, 6795555, 6865253, 7841025, 11325925, 20386665, 20595759, 33977775, 34326265, 61787277, 89248289, 101933325, 102978795, 171631325, 267744867, 308936385, 446241445, 514893975, 803234601, 1338724335, 1544681925, 2231207225, 4016173005, 6693621675, 20080865025]

約数ペア:

[(1, 20080865025), (3, 6693621675), (5, 4016173005), (9, 2231207225), (13, 1544681925), (15, 1338724335), (25, 803234601), (39, 514893975), (45, 446241445), (65, 308936385), (75, 267744867), (117, 171631325), (195, 102978795), (197, 101933325), (225, 89248289), (325, 61787277), (585, 34326265), (591, 33977775), (975, 20595759), (985, 20386665), (1773, 11325925), (2561, 7841025), (2925, 6865253), (2955, 6795555), (4925, 4077333), (7683, 2613675), (8865, 2265185), (12805, 1568205), (14775, 1359111), (23049, 871225), (34849, 576225), (38415, 522735), (44325, 453037), (64025, 313641), (104547, 192075), (115245, 174245)]