20002866

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 45964800

約数和(自身を除く): 25961934

約数列:

[1, 2, 3, 6, 13, 26, 29, 37, 39, 58, 74, 78, 87, 111, 174, 222, 239, 377, 478, 481, 717, 754, 962, 1073, 1131, 1434, 1443, 2146, 2262, 2886, 3107, 3219, 6214, 6438, 6931, 8843, 9321, 13862, 13949, 17686, 18642, 20793, 26529, 27898, 41586, 41847, 53058, 83694, 90103, 114959, 180206, 229918, 256447, 270309, 344877, 512894, 540618, 689754, 769341, 1538682, 3333811, 6667622, 10001433, 20002866]

約数ペア:

[(1, 20002866), (2, 10001433), (3, 6667622), (6, 3333811), (13, 1538682), (26, 769341), (29, 689754), (37, 540618), (39, 512894), (58, 344877), (74, 270309), (78, 256447), (87, 229918), (111, 180206), (174, 114959), (222, 90103), (239, 83694), (377, 53058), (478, 41847), (481, 41586), (717, 27898), (754, 26529), (962, 20793), (1073, 18642), (1131, 17686), (1434, 13949), (1443, 13862), (2146, 9321), (2262, 8843), (2886, 6931), (3107, 6438), (3219, 6214)]