20869065

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{683}}^1$

素因数の和:798

約数の個数: 48

約数和(自身を含む): 41827968

約数和(自身を除く): 20958903

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 97, 105, 291, 315, 485, 679, 683, 873, 1455, 2037, 2049, 3395, 3415, 4365, 4781, 6111, 6147, 10185, 10245, 14343, 23905, 30555, 30735, 43029, 66251, 71715, 198753, 215145, 331255, 463757, 596259, 993765, 1391271, 2318785, 2981295, 4173813, 6956355, 20869065]

約数ペア:

[(1, 20869065), (3, 6956355), (5, 4173813), (7, 2981295), (9, 2318785), (15, 1391271), (21, 993765), (35, 596259), (45, 463757), (63, 331255), (97, 215145), (105, 198753), (291, 71715), (315, 66251), (485, 43029), (679, 30735), (683, 30555), (873, 23905), (1455, 14343), (2037, 10245), (2049, 10185), (3395, 6147), (3415, 6111), (4365, 4781)]