20034075

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{827}}^1$

素因数の和:876

約数の個数: 48

約数和(自身を含む): 36961920

約数和(自身を除く): 16927845

約数列:

[1, 3, 5, 15, 17, 19, 25, 51, 57, 75, 85, 95, 255, 285, 323, 425, 475, 827, 969, 1275, 1425, 1615, 2481, 4135, 4845, 8075, 12405, 14059, 15713, 20675, 24225, 42177, 47139, 62025, 70295, 78565, 210885, 235695, 267121, 351475, 392825, 801363, 1054425, 1178475, 1335605, 4006815, 6678025, 20034075]

約数ペア:

[(1, 20034075), (3, 6678025), (5, 4006815), (15, 1335605), (17, 1178475), (19, 1054425), (25, 801363), (51, 392825), (57, 351475), (75, 267121), (85, 235695), (95, 210885), (255, 78565), (285, 70295), (323, 62025), (425, 47139), (475, 42177), (827, 24225), (969, 20675), (1275, 15713), (1425, 14059), (1615, 12405), (2481, 8075), (4135, 4845)]