20966246

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{457}}^1$

素因数の和:608

約数の個数: 32

約数和(自身を含む): 37592640

約数和(自身を除く): 16626394

約数列:

[1, 2, 7, 14, 29, 58, 113, 203, 226, 406, 457, 791, 914, 1582, 3199, 3277, 6398, 6554, 13253, 22939, 26506, 45878, 51641, 92771, 103282, 185542, 361487, 722974, 1497589, 2995178, 10483123, 20966246]

約数ペア:

[(1, 20966246), (2, 10483123), (7, 2995178), (14, 1497589), (29, 722974), (58, 361487), (113, 185542), (203, 103282), (226, 92771), (406, 51641), (457, 45878), (791, 26506), (914, 22939), (1582, 13253), (3199, 6554), (3277, 6398)]