20005816428

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^2\times {\mathrm{277}}^1\times {\mathrm{1319}}^1$

素因数の和:1638

約数の個数: 180

約数和(自身を含む): 56879166960

約数和(自身を除く): 36873350532

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 169, 234, 277, 324, 338, 351, 468, 507, 554, 676, 702, 831, 1014, 1053, 1108, 1319, 1404, 1521, 1662, 2028, 2106, 2493, 2638, 3042, 3324, 3601, 3957, 4212, 4563, 4986, 5276, 6084, 7202, 7479, 7914, 9126, 9972, 10803, 11871, 13689, 14404, 14958, 15828, 17147, 18252, 21606, 22437, 23742, 27378, 29916, 32409, 34294, 35613, 43212, 44874, 46813, 47484, 51441, 54756, 64818, 68588, 71226, 89748, 93626, 97227, 102882, 106839, 129636, 140439, 142452, 154323, 187252, 194454, 205764, 213678, 222911, 280878, 291681, 308646, 365363, 388908, 421317, 427356, 445822, 462969, 561756, 583362, 617292, 668733, 730726, 842634, 891644, 925938, 1096089, 1166724, 1263951, 1337466, 1388907, 1461452, 1685268, 1851876, 2006199, 2192178, 2527902, 2674932, 2777814, 3288267, 3791853, 4012398, 4384356, 4749719, 5055804, 5555628, 6018597, 6576534, 7583706, 8024796, 9499438, 9864801, 12037194, 13153068, 14249157, 15167412, 18055791, 18998876, 19729602, 24074388, 28498314, 29594403, 36111582, 39459204, 42747471, 56996628, 59188806, 61746347, 72223164, 85494942, 118377612, 123492694, 128242413, 170989884, 185239041, 246985388, 256484826, 370478082, 384727239, 512969652, 555717123, 740956164, 769454478, 1111434246, 1538908956, 1667151369, 2222868492, 3334302738, 5001454107, 6668605476, 10002908214, 20005816428]

約数ペア:

[(1, 20005816428), (2, 10002908214), (3, 6668605476), (4, 5001454107), (6, 3334302738), (9, 2222868492), (12, 1667151369), (13, 1538908956), (18, 1111434246), (26, 769454478), (27, 740956164), (36, 555717123), (39, 512969652), (52, 384727239), (54, 370478082), (78, 256484826), (81, 246985388), (108, 185239041), (117, 170989884), (156, 128242413), (162, 123492694), (169, 118377612), (234, 85494942), (277, 72223164), (324, 61746347), (338, 59188806), (351, 56996628), (468, 42747471), (507, 39459204), (554, 36111582), (676, 29594403), (702, 28498314), (831, 24074388), (1014, 19729602), (1053, 18998876), (1108, 18055791), (1319, 15167412), (1404, 14249157), (1521, 13153068), (1662, 12037194), (2028, 9864801), (2106, 9499438), (2493, 8024796), (2638, 7583706), (3042, 6576534), (3324, 6018597), (3601, 5555628), (3957, 5055804), (4212, 4749719), (4563, 4384356), (4986, 4012398), (5276, 3791853), (6084, 3288267), (7202, 2777814), (7479, 2674932), (7914, 2527902), (9126, 2192178), (9972, 2006199), (10803, 1851876), (11871, 1685268), (13689, 1461452), (14404, 1388907), (14958, 1337466), (15828, 1263951), (17147, 1166724), (18252, 1096089), (21606, 925938), (22437, 891644), (23742, 842634), (27378, 730726), (29916, 668733), (32409, 617292), (34294, 583362), (35613, 561756), (43212, 462969), (44874, 445822), (46813, 427356), (47484, 421317), (51441, 388908), (54756, 365363), (64818, 308646), (68588, 291681), (71226, 280878), (89748, 222911), (93626, 213678), (97227, 205764), (102882, 194454), (106839, 187252), (129636, 154323), (140439, 142452)]