20142375

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 38638080

約数和(自身を除く): 18495705

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 125, 165, 209, 257, 275, 285, 375, 475, 627, 771, 825, 1045, 1285, 1375, 1425, 2375, 2827, 3135, 3855, 4125, 4883, 5225, 6425, 7125, 8481, 14135, 14649, 15675, 19275, 24415, 26125, 32125, 42405, 53713, 70675, 73245, 78375, 96375, 122075, 161139, 212025, 268565, 353375, 366225, 610375, 805695, 1060125, 1342825, 1831125, 4028475, 6714125, 20142375]

約数ペア:

[(1, 20142375), (3, 6714125), (5, 4028475), (11, 1831125), (15, 1342825), (19, 1060125), (25, 805695), (33, 610375), (55, 366225), (57, 353375), (75, 268565), (95, 212025), (125, 161139), (165, 122075), (209, 96375), (257, 78375), (275, 73245), (285, 70675), (375, 53713), (475, 42405), (627, 32125), (771, 26125), (825, 24415), (1045, 19275), (1285, 15675), (1375, 14649), (1425, 14135), (2375, 8481), (2827, 7125), (3135, 6425), (3855, 5225), (4125, 4883)]