20408967684

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{8998663}}^1$

素因数の和:8998686

約数の個数: 60

約数和(自身を含む): 60974947264

約数和(自身を除く): 40565979580

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 324, 378, 567, 756, 1134, 2268, 8998663, 17997326, 26995989, 35994652, 53991978, 62990641, 80987967, 107983956, 125981282, 161975934, 188971923, 242963901, 251962564, 323951868, 377943846, 485927802, 566915769, 728891703, 755887692, 971855604, 1133831538, 1457783406, 1700747307, 2267663076, 2915566812, 3401494614, 5102241921, 6802989228, 10204483842, 20408967684]

約数ペア:

[(1, 20408967684), (2, 10204483842), (3, 6802989228), (4, 5102241921), (6, 3401494614), (7, 2915566812), (9, 2267663076), (12, 1700747307), (14, 1457783406), (18, 1133831538), (21, 971855604), (27, 755887692), (28, 728891703), (36, 566915769), (42, 485927802), (54, 377943846), (63, 323951868), (81, 251962564), (84, 242963901), (108, 188971923), (126, 161975934), (162, 125981282), (189, 107983956), (252, 80987967), (324, 62990641), (378, 53991978), (567, 35994652), (756, 26995989), (1134, 17997326), (2268, 8998663)]