20939712

素因数分解:

$2^6\times 3^1\times {\mathrm{191}}^1\times {\mathrm{571}}^1$

素因数の和:777

約数の個数: 56

約数和(自身を含む): 55790592

約数和(自身を除く): 34850880

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 191, 192, 382, 571, 573, 764, 1142, 1146, 1528, 1713, 2284, 2292, 3056, 3426, 4568, 4584, 6112, 6852, 9136, 9168, 12224, 13704, 18272, 18336, 27408, 36544, 36672, 54816, 109061, 109632, 218122, 327183, 436244, 654366, 872488, 1308732, 1744976, 2617464, 3489952, 5234928, 6979904, 10469856, 20939712]

約数ペア:

[(1, 20939712), (2, 10469856), (3, 6979904), (4, 5234928), (6, 3489952), (8, 2617464), (12, 1744976), (16, 1308732), (24, 872488), (32, 654366), (48, 436244), (64, 327183), (96, 218122), (191, 109632), (192, 109061), (382, 54816), (571, 36672), (573, 36544), (764, 27408), (1142, 18336), (1146, 18272), (1528, 13704), (1713, 12224), (2284, 9168), (2292, 9136), (3056, 6852), (3426, 6112), (4568, 4584)]