19960836

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{409}}^1$

素因数の和:513

約数の個数: 72

約数和(自身を含む): 54966240

約数和(自身を除く): 35005404

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 83, 84, 98, 147, 166, 196, 249, 294, 332, 409, 498, 581, 588, 818, 996, 1162, 1227, 1636, 1743, 2324, 2454, 2863, 3486, 4067, 4908, 5726, 6972, 8134, 8589, 11452, 12201, 16268, 17178, 20041, 24402, 33947, 34356, 40082, 48804, 60123, 67894, 80164, 101841, 120246, 135788, 203682, 237629, 240492, 407364, 475258, 712887, 950516, 1425774, 1663403, 2851548, 3326806, 4990209, 6653612, 9980418, 19960836]

約数ペア:

[(1, 19960836), (2, 9980418), (3, 6653612), (4, 4990209), (6, 3326806), (7, 2851548), (12, 1663403), (14, 1425774), (21, 950516), (28, 712887), (42, 475258), (49, 407364), (83, 240492), (84, 237629), (98, 203682), (147, 135788), (166, 120246), (196, 101841), (249, 80164), (294, 67894), (332, 60123), (409, 48804), (498, 40082), (581, 34356), (588, 33947), (818, 24402), (996, 20041), (1162, 17178), (1227, 16268), (1636, 12201), (1743, 11452), (2324, 8589), (2454, 8134), (2863, 6972), (3486, 5726), (4067, 4908)]