20202546260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{280513}}^1$

素因数の和:280812

約数の個数: 48

約数和(自身を含む): 45853940496

約数和(自身を除く): 25651394236

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 277, 554, 1108, 1385, 2770, 3601, 5540, 7202, 14404, 18005, 36010, 72020, 280513, 561026, 1122052, 1402565, 2805130, 3646669, 5610260, 7293338, 14586676, 18233345, 36466690, 72933380, 77702101, 155404202, 310808404, 388510505, 777021010, 1010127313, 1554042020, 2020254626, 4040509252, 5050636565, 10101273130, 20202546260]

約数ペア:

[(1, 20202546260), (2, 10101273130), (4, 5050636565), (5, 4040509252), (10, 2020254626), (13, 1554042020), (20, 1010127313), (26, 777021010), (52, 388510505), (65, 310808404), (130, 155404202), (260, 77702101), (277, 72933380), (554, 36466690), (1108, 18233345), (1385, 14586676), (2770, 7293338), (3601, 5610260), (5540, 3646669), (7202, 2805130), (14404, 1402565), (18005, 1122052), (36010, 561026), (72020, 280513)]