20794914

素因数分解:

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

素因数の和:325

約数の個数: 96

約数和(自身を含む): 55814400

約数和(自身を除く): 35019486

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 29, 42, 49, 54, 58, 63, 87, 98, 126, 147, 174, 189, 203, 261, 271, 294, 378, 406, 441, 522, 542, 609, 783, 813, 882, 1218, 1323, 1421, 1566, 1626, 1827, 1897, 2439, 2646, 2842, 3654, 3794, 4263, 4878, 5481, 5691, 7317, 7859, 8526, 10962, 11382, 12789, 13279, 14634, 15718, 17073, 23577, 25578, 26558, 34146, 38367, 39837, 47154, 51219, 55013, 70731, 76734, 79674, 102438, 110026, 119511, 141462, 165039, 212193, 239022, 330078, 358533, 385091, 424386, 495117, 717066, 770182, 990234, 1155273, 1485351, 2310546, 2970702, 3465819, 6931638, 10397457, 20794914]

約数ペア:

[(1, 20794914), (2, 10397457), (3, 6931638), (6, 3465819), (7, 2970702), (9, 2310546), (14, 1485351), (18, 1155273), (21, 990234), (27, 770182), (29, 717066), (42, 495117), (49, 424386), (54, 385091), (58, 358533), (63, 330078), (87, 239022), (98, 212193), (126, 165039), (147, 141462), (174, 119511), (189, 110026), (203, 102438), (261, 79674), (271, 76734), (294, 70731), (378, 55013), (406, 51219), (441, 47154), (522, 39837), (542, 38367), (609, 34146), (783, 26558), (813, 25578), (882, 23577), (1218, 17073), (1323, 15718), (1421, 14634), (1566, 13279), (1626, 12789), (1827, 11382), (1897, 10962), (2439, 8526), (2646, 7859), (2842, 7317), (3654, 5691), (3794, 5481), (4263, 4878)]