20163976756

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{2269}}^1$

素因数の和:2406

約数の個数: 144

約数和(自身を含む): 46122186880

約数和(自身を除く): 25958210124

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 43, 44, 61, 77, 86, 121, 122, 154, 172, 242, 244, 301, 308, 427, 473, 484, 602, 671, 847, 854, 946, 1204, 1342, 1694, 1708, 1892, 2269, 2623, 2684, 3311, 3388, 4538, 4697, 5203, 5246, 6622, 7381, 9076, 9394, 10406, 10492, 13244, 14762, 15883, 18361, 18788, 20812, 24959, 28853, 29524, 31766, 36421, 36722, 49918, 51667, 57706, 63532, 72842, 73444, 97567, 99836, 103334, 115412, 138409, 145684, 174713, 195134, 201971, 206668, 274549, 276818, 317383, 349426, 390268, 403942, 549098, 553636, 634766, 682969, 698852, 807884, 968863, 1073237, 1098196, 1269532, 1365938, 1522499, 1921843, 1937726, 2146474, 2221681, 2731876, 3044998, 3843686, 3875452, 4292948, 4443362, 5951587, 6089996, 7512659, 7687372, 8886724, 10657493, 11805607, 11903174, 15025318, 16747489, 21314986, 23611214, 23806348, 30050636, 33494978, 41661109, 42629972, 47222428, 65467457, 66989956, 82639249, 83322218, 117232423, 130934914, 165278498, 166644436, 234464846, 261869828, 330556996, 458272199, 468929692, 720142027, 916544398, 1440284054, 1833088796, 2880568108, 5040994189, 10081988378, 20163976756]

約数ペア:

[(1, 20163976756), (2, 10081988378), (4, 5040994189), (7, 2880568108), (11, 1833088796), (14, 1440284054), (22, 916544398), (28, 720142027), (43, 468929692), (44, 458272199), (61, 330556996), (77, 261869828), (86, 234464846), (121, 166644436), (122, 165278498), (154, 130934914), (172, 117232423), (242, 83322218), (244, 82639249), (301, 66989956), (308, 65467457), (427, 47222428), (473, 42629972), (484, 41661109), (602, 33494978), (671, 30050636), (847, 23806348), (854, 23611214), (946, 21314986), (1204, 16747489), (1342, 15025318), (1694, 11903174), (1708, 11805607), (1892, 10657493), (2269, 8886724), (2623, 7687372), (2684, 7512659), (3311, 6089996), (3388, 5951587), (4538, 4443362), (4697, 4292948), (5203, 3875452), (5246, 3843686), (6622, 3044998), (7381, 2731876), (9076, 2221681), (9394, 2146474), (10406, 1937726), (10492, 1921843), (13244, 1522499), (14762, 1365938), (15883, 1269532), (18361, 1098196), (18788, 1073237), (20812, 968863), (24959, 807884), (28853, 698852), (29524, 682969), (31766, 634766), (36421, 553636), (36722, 549098), (49918, 403942), (51667, 390268), (57706, 349426), (63532, 317383), (72842, 276818), (73444, 274549), (97567, 206668), (99836, 201971), (103334, 195134), (115412, 174713), (138409, 145684)]