20349159375

素因数分解:

$3^1\times 5^5\times {\mathrm{17}}^1\times {\mathrm{127681}}^1$

素因数の和:127726

約数の個数: 48

約数和(自身を含む): 35908264224

約数和(自身を除く): 15559104849

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 255, 375, 425, 625, 1275, 1875, 2125, 3125, 6375, 9375, 10625, 31875, 53125, 127681, 159375, 383043, 638405, 1915215, 2170577, 3192025, 6511731, 9576075, 10852885, 15960125, 32558655, 47880375, 54264425, 79800625, 162793275, 239401875, 271322125, 399003125, 813966375, 1197009375, 1356610625, 4069831875, 6783053125, 20349159375]

約数ペア:

[(1, 20349159375), (3, 6783053125), (5, 4069831875), (15, 1356610625), (17, 1197009375), (25, 813966375), (51, 399003125), (75, 271322125), (85, 239401875), (125, 162793275), (255, 79800625), (375, 54264425), (425, 47880375), (625, 32558655), (1275, 15960125), (1875, 10852885), (2125, 9576075), (3125, 6511731), (6375, 3192025), (9375, 2170577), (10625, 1915215), (31875, 638405), (53125, 383043), (127681, 159375)]