20133422720

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{850229}}^1$

素因数の和:850285

約数の個数: 64

約数和(自身を含む): 49432372200

約数和(自身を除く): 29298949480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 296, 320, 370, 592, 640, 740, 1184, 1480, 2368, 2960, 4736, 5920, 11840, 23680, 850229, 1700458, 3400916, 4251145, 6801832, 8502290, 13603664, 17004580, 27207328, 31458473, 34009160, 54414656, 62916946, 68018320, 108829312, 125833892, 136036640, 157292365, 251667784, 272073280, 314584730, 503335568, 544146560, 629169460, 1006671136, 1258338920, 2013342272, 2516677840, 4026684544, 5033355680, 10066711360, 20133422720]

約数ペア:

[(1, 20133422720), (2, 10066711360), (4, 5033355680), (5, 4026684544), (8, 2516677840), (10, 2013342272), (16, 1258338920), (20, 1006671136), (32, 629169460), (37, 544146560), (40, 503335568), (64, 314584730), (74, 272073280), (80, 251667784), (128, 157292365), (148, 136036640), (160, 125833892), (185, 108829312), (296, 68018320), (320, 62916946), (370, 54414656), (592, 34009160), (640, 31458473), (740, 27207328), (1184, 17004580), (1480, 13603664), (2368, 8502290), (2960, 6801832), (4736, 4251145), (5920, 3400916), (11840, 1700458), (23680, 850229)]