20558664

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13597}}^1$

素因数の和:13619

約数の個数: 64

約数和(自身を含む): 65270400

約数和(自身を除く): 44711736

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 13597, 27194, 40791, 54388, 81582, 95179, 108776, 122373, 163164, 190358, 244746, 285537, 326328, 367119, 380716, 489492, 571074, 734238, 761432, 856611, 978984, 1142148, 1468476, 1713222, 2284296, 2569833, 2936952, 3426444, 5139666, 6852888, 10279332, 20558664]

約数ペア:

[(1, 20558664), (2, 10279332), (3, 6852888), (4, 5139666), (6, 3426444), (7, 2936952), (8, 2569833), (9, 2284296), (12, 1713222), (14, 1468476), (18, 1142148), (21, 978984), (24, 856611), (27, 761432), (28, 734238), (36, 571074), (42, 489492), (54, 380716), (56, 367119), (63, 326328), (72, 285537), (84, 244746), (108, 190358), (126, 163164), (168, 122373), (189, 108776), (216, 95179), (252, 81582), (378, 54388), (504, 40791), (756, 27194), (1512, 13597)]