20464836

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:345

約数の個数: 96

約数和(自身を含む): 58490880

約数和(自身を除く): 38026044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 31, 42, 58, 62, 84, 87, 93, 116, 124, 174, 186, 203, 217, 271, 348, 372, 406, 434, 542, 609, 651, 812, 813, 868, 899, 1084, 1218, 1302, 1626, 1798, 1897, 2436, 2604, 2697, 3252, 3596, 3794, 5394, 5691, 6293, 7588, 7859, 8401, 10788, 11382, 12586, 15718, 16802, 18879, 22764, 23577, 25172, 25203, 31436, 33604, 37758, 47154, 50406, 55013, 58807, 75516, 94308, 100812, 110026, 117614, 165039, 176421, 220052, 235228, 243629, 330078, 352842, 487258, 660156, 705684, 730887, 974516, 1461774, 1705403, 2923548, 3410806, 5116209, 6821612, 10232418, 20464836]

約数ペア:

[(1, 20464836), (2, 10232418), (3, 6821612), (4, 5116209), (6, 3410806), (7, 2923548), (12, 1705403), (14, 1461774), (21, 974516), (28, 730887), (29, 705684), (31, 660156), (42, 487258), (58, 352842), (62, 330078), (84, 243629), (87, 235228), (93, 220052), (116, 176421), (124, 165039), (174, 117614), (186, 110026), (203, 100812), (217, 94308), (271, 75516), (348, 58807), (372, 55013), (406, 50406), (434, 47154), (542, 37758), (609, 33604), (651, 31436), (812, 25203), (813, 25172), (868, 23577), (899, 22764), (1084, 18879), (1218, 16802), (1302, 15718), (1626, 12586), (1798, 11382), (1897, 10788), (2436, 8401), (2604, 7859), (2697, 7588), (3252, 6293), (3596, 5691), (3794, 5394)]