20855016

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1061}}^1$

素因数の和:1096

約数の個数: 128

約数和(自身を含む): 71366400

約数和(自身を除く): 50511384

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 39, 42, 52, 54, 56, 63, 72, 78, 84, 91, 104, 108, 117, 126, 156, 168, 182, 189, 216, 234, 252, 273, 312, 351, 364, 378, 468, 504, 546, 702, 728, 756, 819, 936, 1061, 1092, 1404, 1512, 1638, 2122, 2184, 2457, 2808, 3183, 3276, 4244, 4914, 6366, 6552, 7427, 8488, 9549, 9828, 12732, 13793, 14854, 19098, 19656, 22281, 25464, 27586, 28647, 29708, 38196, 41379, 44562, 55172, 57294, 59416, 66843, 76392, 82758, 89124, 96551, 110344, 114588, 124137, 133686, 165516, 178248, 193102, 200529, 229176, 248274, 267372, 289653, 331032, 372411, 386204, 401058, 496548, 534744, 579306, 744822, 772408, 802116, 868959, 993096, 1158612, 1489644, 1604232, 1737918, 2317224, 2606877, 2979288, 3475836, 5213754, 6951672, 10427508, 20855016]

約数ペア:

[(1, 20855016), (2, 10427508), (3, 6951672), (4, 5213754), (6, 3475836), (7, 2979288), (8, 2606877), (9, 2317224), (12, 1737918), (13, 1604232), (14, 1489644), (18, 1158612), (21, 993096), (24, 868959), (26, 802116), (27, 772408), (28, 744822), (36, 579306), (39, 534744), (42, 496548), (52, 401058), (54, 386204), (56, 372411), (63, 331032), (72, 289653), (78, 267372), (84, 248274), (91, 229176), (104, 200529), (108, 193102), (117, 178248), (126, 165516), (156, 133686), (168, 124137), (182, 114588), (189, 110344), (216, 96551), (234, 89124), (252, 82758), (273, 76392), (312, 66843), (351, 59416), (364, 57294), (378, 55172), (468, 44562), (504, 41379), (546, 38196), (702, 29708), (728, 28647), (756, 27586), (819, 25464), (936, 22281), (1061, 19656), (1092, 19098), (1404, 14854), (1512, 13793), (1638, 12732), (2122, 9828), (2184, 9549), (2457, 8488), (2808, 7427), (3183, 6552), (3276, 6366), (4244, 4914)]