20160878416

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{326693}}^1$

素因数の和:326756

約数の個数: 80

約数和(自身を含む): 48612067200

約数和(自身を除く): 28451188784

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 29, 38, 56, 58, 76, 112, 116, 133, 152, 203, 232, 266, 304, 406, 464, 532, 551, 812, 1064, 1102, 1624, 2128, 2204, 3248, 3857, 4408, 7714, 8816, 15428, 30856, 61712, 326693, 653386, 1306772, 2286851, 2613544, 4573702, 5227088, 6207167, 9147404, 9474097, 12414334, 18294808, 18948194, 24828668, 36589616, 37896388, 43450169, 49657336, 66318679, 75792776, 86900338, 99314672, 132637358, 151585552, 173800676, 180007843, 265274716, 347601352, 360015686, 530549432, 695202704, 720031372, 1061098864, 1260054901, 1440062744, 2520109802, 2880125488, 5040219604, 10080439208, 20160878416]

約数ペア:

[(1, 20160878416), (2, 10080439208), (4, 5040219604), (7, 2880125488), (8, 2520109802), (14, 1440062744), (16, 1260054901), (19, 1061098864), (28, 720031372), (29, 695202704), (38, 530549432), (56, 360015686), (58, 347601352), (76, 265274716), (112, 180007843), (116, 173800676), (133, 151585552), (152, 132637358), (203, 99314672), (232, 86900338), (266, 75792776), (304, 66318679), (406, 49657336), (464, 43450169), (532, 37896388), (551, 36589616), (812, 24828668), (1064, 18948194), (1102, 18294808), (1624, 12414334), (2128, 9474097), (2204, 9147404), (3248, 6207167), (3857, 5227088), (4408, 4573702), (7714, 2613544), (8816, 2286851), (15428, 1306772), (30856, 653386), (61712, 326693)]