20164996875

素因数分解:

$3^1\times 5^5\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1433}}^1$

素因数の和:1559

約数の個数: 96

約数和(自身を含む): 35847705600

約数和(自身を除く): 15682708725

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 79, 95, 125, 237, 285, 375, 395, 475, 625, 1185, 1425, 1433, 1501, 1875, 1975, 2375, 3125, 4299, 4503, 5925, 7125, 7165, 7505, 9375, 9875, 11875, 21495, 22515, 27227, 29625, 35625, 35825, 37525, 49375, 59375, 81681, 107475, 112575, 113207, 136135, 148125, 178125, 179125, 187625, 246875, 339621, 408405, 537375, 562875, 566035, 680675, 740625, 895625, 938125, 1698105, 2042025, 2150933, 2686875, 2814375, 2830175, 3403375, 4478125, 4690625, 6452799, 8490525, 10210125, 10754665, 13434375, 14071875, 14150875, 17016875, 32263995, 42452625, 51050625, 53773325, 70754375, 85084375, 161319975, 212263125, 255253125, 268866625, 353771875, 806599875, 1061315625, 1344333125, 4032999375, 6721665625, 20164996875]

約数ペア:

[(1, 20164996875), (3, 6721665625), (5, 4032999375), (15, 1344333125), (19, 1061315625), (25, 806599875), (57, 353771875), (75, 268866625), (79, 255253125), (95, 212263125), (125, 161319975), (237, 85084375), (285, 70754375), (375, 53773325), (395, 51050625), (475, 42452625), (625, 32263995), (1185, 17016875), (1425, 14150875), (1433, 14071875), (1501, 13434375), (1875, 10754665), (1975, 10210125), (2375, 8490525), (3125, 6452799), (4299, 4690625), (4503, 4478125), (5925, 3403375), (7125, 2830175), (7165, 2814375), (7505, 2686875), (9375, 2150933), (9875, 2042025), (11875, 1698105), (21495, 938125), (22515, 895625), (27227, 740625), (29625, 680675), (35625, 566035), (35825, 562875), (37525, 537375), (49375, 408405), (59375, 339621), (81681, 246875), (107475, 187625), (112575, 179125), (113207, 178125), (136135, 148125)]