20990544

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:324

約数の個数: 80

約数和(自身を含む): 56996352

約数和(自身を除く): 36005808

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 53, 74, 106, 111, 148, 159, 212, 222, 223, 296, 318, 424, 444, 446, 592, 636, 669, 848, 888, 892, 1272, 1338, 1776, 1784, 1961, 2544, 2676, 3568, 3922, 5352, 5883, 7844, 8251, 10704, 11766, 11819, 15688, 16502, 23532, 23638, 24753, 31376, 33004, 35457, 47064, 47276, 49506, 66008, 70914, 94128, 94552, 99012, 132016, 141828, 189104, 198024, 283656, 396048, 437303, 567312, 874606, 1311909, 1749212, 2623818, 3498424, 5247636, 6996848, 10495272, 20990544]

約数ペア:

[(1, 20990544), (2, 10495272), (3, 6996848), (4, 5247636), (6, 3498424), (8, 2623818), (12, 1749212), (16, 1311909), (24, 874606), (37, 567312), (48, 437303), (53, 396048), (74, 283656), (106, 198024), (111, 189104), (148, 141828), (159, 132016), (212, 99012), (222, 94552), (223, 94128), (296, 70914), (318, 66008), (424, 49506), (444, 47276), (446, 47064), (592, 35457), (636, 33004), (669, 31376), (848, 24753), (888, 23638), (892, 23532), (1272, 16502), (1338, 15688), (1776, 11819), (1784, 11766), (1961, 10704), (2544, 8251), (2676, 7844), (3568, 5883), (3922, 5352)]