20775832

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1163}}^1$

素因数の和:1216

約数の個数: 64

約数和(自身を含む): 50284800

約数和(自身を除く): 29508968

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 29, 44, 56, 58, 77, 88, 116, 154, 203, 232, 308, 319, 406, 616, 638, 812, 1163, 1276, 1624, 2233, 2326, 2552, 4466, 4652, 8141, 8932, 9304, 12793, 16282, 17864, 25586, 32564, 33727, 51172, 65128, 67454, 89551, 102344, 134908, 179102, 236089, 269816, 358204, 370997, 472178, 716408, 741994, 944356, 1483988, 1888712, 2596979, 2967976, 5193958, 10387916, 20775832]

約数ペア:

[(1, 20775832), (2, 10387916), (4, 5193958), (7, 2967976), (8, 2596979), (11, 1888712), (14, 1483988), (22, 944356), (28, 741994), (29, 716408), (44, 472178), (56, 370997), (58, 358204), (77, 269816), (88, 236089), (116, 179102), (154, 134908), (203, 102344), (232, 89551), (308, 67454), (319, 65128), (406, 51172), (616, 33727), (638, 32564), (812, 25586), (1163, 17864), (1276, 16282), (1624, 12793), (2233, 9304), (2326, 8932), (2552, 8141), (4466, 4652)]