20573104

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:373

約数の個数: 40

約数和(自身を含む): 41100048

約数和(自身を除く): 20526944

約数列:

[1, 2, 4, 8, 16, 61, 107, 122, 197, 214, 244, 394, 428, 488, 788, 856, 976, 1576, 1712, 3152, 6527, 12017, 13054, 21079, 24034, 26108, 42158, 48068, 52216, 84316, 96136, 104432, 168632, 192272, 337264, 1285819, 2571638, 5143276, 10286552, 20573104]

約数ペア:

[(1, 20573104), (2, 10286552), (4, 5143276), (8, 2571638), (16, 1285819), (61, 337264), (107, 192272), (122, 168632), (197, 104432), (214, 96136), (244, 84316), (394, 52216), (428, 48068), (488, 42158), (788, 26108), (856, 24034), (976, 21079), (1576, 13054), (1712, 12017), (3152, 6527)]