20426040

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{18913}}^1$

素因数の和:18933

約数の個数: 64

約数和(自身を含む): 68090400

約数和(自身を除く): 47664360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 18913, 37826, 56739, 75652, 94565, 113478, 151304, 170217, 189130, 226956, 283695, 340434, 378260, 453912, 510651, 567390, 680868, 756520, 851085, 1021302, 1134780, 1361736, 1702170, 2042604, 2269560, 2553255, 3404340, 4085208, 5106510, 6808680, 10213020, 20426040]

約数ペア:

[(1, 20426040), (2, 10213020), (3, 6808680), (4, 5106510), (5, 4085208), (6, 3404340), (8, 2553255), (9, 2269560), (10, 2042604), (12, 1702170), (15, 1361736), (18, 1134780), (20, 1021302), (24, 851085), (27, 756520), (30, 680868), (36, 567390), (40, 510651), (45, 453912), (54, 378260), (60, 340434), (72, 283695), (90, 226956), (108, 189130), (120, 170217), (135, 151304), (180, 113478), (216, 94565), (270, 75652), (360, 56739), (540, 37826), (1080, 18913)]