20528076

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{397}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 49925120

約数和(自身を除く): 29397044

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 139, 186, 278, 372, 397, 417, 556, 794, 834, 1191, 1588, 1668, 2382, 4309, 4764, 8618, 12307, 12927, 17236, 24614, 25854, 36921, 49228, 51708, 55183, 73842, 110366, 147684, 165549, 220732, 331098, 662196, 1710673, 3421346, 5132019, 6842692, 10264038, 20528076]

約数ペア:

[(1, 20528076), (2, 10264038), (3, 6842692), (4, 5132019), (6, 3421346), (12, 1710673), (31, 662196), (62, 331098), (93, 220732), (124, 165549), (139, 147684), (186, 110366), (278, 73842), (372, 55183), (397, 51708), (417, 49228), (556, 36921), (794, 25854), (834, 24614), (1191, 17236), (1588, 12927), (1668, 12307), (2382, 8618), (4309, 4764)]