20037890

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{307}}^1$

素因数の和:482

約数の個数: 32

約数和(自身を含む): 37122624

約数和(自身を除く): 17084734

約数列:

[1, 2, 5, 10, 61, 107, 122, 214, 305, 307, 535, 610, 614, 1070, 1535, 3070, 6527, 13054, 18727, 32635, 32849, 37454, 65270, 65698, 93635, 164245, 187270, 328490, 2003789, 4007578, 10018945, 20037890]

約数ペア:

[(1, 20037890), (2, 10018945), (5, 4007578), (10, 2003789), (61, 328490), (107, 187270), (122, 164245), (214, 93635), (305, 65698), (307, 65270), (535, 37454), (610, 32849), (614, 32635), (1070, 18727), (1535, 13054), (3070, 6527)]