20544435

素因数分解:

$3^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{457}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 38010336

約数和(自身を除く): 17465901

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 81, 111, 135, 185, 243, 333, 405, 457, 555, 999, 1215, 1371, 1665, 2285, 2997, 4113, 4995, 6855, 8991, 12339, 14985, 16909, 20565, 37017, 44955, 50727, 61695, 84545, 111051, 152181, 185085, 253635, 456543, 555255, 760905, 1369629, 2282715, 4108887, 6848145, 20544435]

約数ペア:

[(1, 20544435), (3, 6848145), (5, 4108887), (9, 2282715), (15, 1369629), (27, 760905), (37, 555255), (45, 456543), (81, 253635), (111, 185085), (135, 152181), (185, 111051), (243, 84545), (333, 61695), (405, 50727), (457, 44955), (555, 37017), (999, 20565), (1215, 16909), (1371, 14985), (1665, 12339), (2285, 8991), (2997, 6855), (4113, 4995)]