20680132

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{853}}^1$

素因数の和:916

約数の個数: 48

約数和(自身を含む): 43041600

約数和(自身を除く): 22361468

約数列:

[1, 2, 4, 11, 19, 22, 29, 38, 44, 58, 76, 116, 209, 319, 418, 551, 638, 836, 853, 1102, 1276, 1706, 2204, 3412, 6061, 9383, 12122, 16207, 18766, 24244, 24737, 32414, 37532, 49474, 64828, 98948, 178277, 272107, 356554, 470003, 544214, 713108, 940006, 1088428, 1880012, 5170033, 10340066, 20680132]

約数ペア:

[(1, 20680132), (2, 10340066), (4, 5170033), (11, 1880012), (19, 1088428), (22, 940006), (29, 713108), (38, 544214), (44, 470003), (58, 356554), (76, 272107), (116, 178277), (209, 98948), (319, 64828), (418, 49474), (551, 37532), (638, 32414), (836, 24737), (853, 24244), (1102, 18766), (1276, 16207), (1706, 12122), (2204, 9383), (3412, 6061)]