20746068

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{257}}^1$

素因数の和:333

約数の個数: 72

約数和(自身を含む): 57387456

約数和(自身を除く): 36641388

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 186, 217, 257, 372, 434, 514, 651, 771, 868, 961, 1028, 1302, 1542, 1799, 1922, 2604, 2883, 3084, 3598, 3844, 5397, 5766, 6727, 7196, 7967, 10794, 11532, 13454, 15934, 20181, 21588, 23901, 26908, 31868, 40362, 47802, 55769, 80724, 95604, 111538, 167307, 223076, 246977, 334614, 493954, 669228, 740931, 987908, 1481862, 1728839, 2963724, 3457678, 5186517, 6915356, 10373034, 20746068]

約数ペア:

[(1, 20746068), (2, 10373034), (3, 6915356), (4, 5186517), (6, 3457678), (7, 2963724), (12, 1728839), (14, 1481862), (21, 987908), (28, 740931), (31, 669228), (42, 493954), (62, 334614), (84, 246977), (93, 223076), (124, 167307), (186, 111538), (217, 95604), (257, 80724), (372, 55769), (434, 47802), (514, 40362), (651, 31868), (771, 26908), (868, 23901), (961, 21588), (1028, 20181), (1302, 15934), (1542, 13454), (1799, 11532), (1922, 10794), (2604, 7967), (2883, 7196), (3084, 6727), (3598, 5766), (3844, 5397)]