20341875

素因数分解:

$3^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{571}}^1$

素因数の和:613

約数の個数: 40

約数和(自身を含む): 35738560

約数和(自身を除く): 15396685

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 125, 285, 375, 475, 571, 625, 1425, 1713, 1875, 2375, 2855, 7125, 8565, 10849, 11875, 14275, 32547, 35625, 42825, 54245, 71375, 162735, 214125, 271225, 356875, 813675, 1070625, 1356125, 4068375, 6780625, 20341875]

約数ペア:

[(1, 20341875), (3, 6780625), (5, 4068375), (15, 1356125), (19, 1070625), (25, 813675), (57, 356875), (75, 271225), (95, 214125), (125, 162735), (285, 71375), (375, 54245), (475, 42825), (571, 35625), (625, 32547), (1425, 14275), (1713, 11875), (1875, 10849), (2375, 8565), (2855, 7125)]