20724984

素因数分解:

$2^3\times 3^5\times 7^1\times {\mathrm{1523}}^1$

素因数の和:1551

約数の個数: 96

約数和(自身を含む): 66568320

約数和(自身を除く): 45843336

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 189, 216, 243, 252, 324, 378, 486, 504, 567, 648, 756, 972, 1134, 1512, 1523, 1701, 1944, 2268, 3046, 3402, 4536, 4569, 6092, 6804, 9138, 10661, 12184, 13608, 13707, 18276, 21322, 27414, 31983, 36552, 41121, 42644, 54828, 63966, 82242, 85288, 95949, 109656, 123363, 127932, 164484, 191898, 246726, 255864, 287847, 328968, 370089, 383796, 493452, 575694, 740178, 767592, 863541, 986904, 1151388, 1480356, 1727082, 2302776, 2590623, 2960712, 3454164, 5181246, 6908328, 10362492, 20724984]

約数ペア:

[(1, 20724984), (2, 10362492), (3, 6908328), (4, 5181246), (6, 3454164), (7, 2960712), (8, 2590623), (9, 2302776), (12, 1727082), (14, 1480356), (18, 1151388), (21, 986904), (24, 863541), (27, 767592), (28, 740178), (36, 575694), (42, 493452), (54, 383796), (56, 370089), (63, 328968), (72, 287847), (81, 255864), (84, 246726), (108, 191898), (126, 164484), (162, 127932), (168, 123363), (189, 109656), (216, 95949), (243, 85288), (252, 82242), (324, 63966), (378, 54828), (486, 42644), (504, 41121), (567, 36552), (648, 31983), (756, 27414), (972, 21322), (1134, 18276), (1512, 13707), (1523, 13608), (1701, 12184), (1944, 10661), (2268, 9138), (3046, 6804), (3402, 6092), (4536, 4569)]