17805020

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 38707200

約数和(自身を除く): 20902180

約数列:

[1, 2, 4, 5, 10, 20, 59, 79, 118, 158, 191, 236, 295, 316, 382, 395, 590, 764, 790, 955, 1180, 1580, 1910, 3820, 4661, 9322, 11269, 15089, 18644, 22538, 23305, 30178, 45076, 46610, 56345, 60356, 75445, 93220, 112690, 150890, 225380, 301780, 890251, 1780502, 3561004, 4451255, 8902510, 17805020]

約数ペア:

[(1, 17805020), (2, 8902510), (4, 4451255), (5, 3561004), (10, 1780502), (20, 890251), (59, 301780), (79, 225380), (118, 150890), (158, 112690), (191, 93220), (236, 75445), (295, 60356), (316, 56345), (382, 46610), (395, 45076), (590, 30178), (764, 23305), (790, 22538), (955, 18644), (1180, 15089), (1580, 11269), (1910, 9322), (3820, 4661)]