20941969984

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{7681}}^1$

素因数の和:7848

約数の個数: 112

約数和(自身を含む): 46712398320

約数和(自身を除く): 25770428336

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 58, 64, 104, 113, 116, 208, 226, 232, 377, 416, 452, 464, 754, 832, 904, 928, 1469, 1508, 1808, 1856, 2938, 3016, 3277, 3616, 5876, 6032, 6554, 7232, 7681, 11752, 12064, 13108, 15362, 23504, 24128, 26216, 30724, 42601, 47008, 52432, 61448, 85202, 94016, 99853, 104864, 122896, 170404, 199706, 209728, 222749, 245792, 340808, 399412, 445498, 491584, 681616, 798824, 867953, 890996, 1363232, 1597648, 1735906, 1781992, 2726464, 2895737, 3195296, 3471812, 3563984, 5791474, 6390592, 6943624, 7127968, 11283389, 11582948, 13887248, 14255936, 22566778, 23165896, 25170637, 27774496, 45133556, 46331792, 50341274, 55548992, 90267112, 92663584, 100682548, 180534224, 185327168, 201365096, 327218281, 361068448, 402730192, 654436562, 722136896, 805460384, 1308873124, 1610920768, 2617746248, 5235492496, 10470984992, 20941969984]

約数ペア:

[(1, 20941969984), (2, 10470984992), (4, 5235492496), (8, 2617746248), (13, 1610920768), (16, 1308873124), (26, 805460384), (29, 722136896), (32, 654436562), (52, 402730192), (58, 361068448), (64, 327218281), (104, 201365096), (113, 185327168), (116, 180534224), (208, 100682548), (226, 92663584), (232, 90267112), (377, 55548992), (416, 50341274), (452, 46331792), (464, 45133556), (754, 27774496), (832, 25170637), (904, 23165896), (928, 22566778), (1469, 14255936), (1508, 13887248), (1808, 11582948), (1856, 11283389), (2938, 7127968), (3016, 6943624), (3277, 6390592), (3616, 5791474), (5876, 3563984), (6032, 3471812), (6554, 3195296), (7232, 2895737), (7681, 2726464), (11752, 1781992), (12064, 1735906), (13108, 1597648), (15362, 1363232), (23504, 890996), (24128, 867953), (26216, 798824), (30724, 681616), (42601, 491584), (47008, 445498), (52432, 399412), (61448, 340808), (85202, 245792), (94016, 222749), (99853, 209728), (104864, 199706), (122896, 170404)]