20658456

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1051}}^1$

素因数の和:1086

約数の個数: 128

約数和(自身を含む): 70694400

約数和(自身を除く): 50035944

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, 1051, 1092, 1404, 1512, 1638, 2102, 2184, 2457, 2808, 3153, 3276, 4204, 4914, 6306, 6552, 7357, 8408, 9459, 9828, 12612, 13663, 14714, 18918, 19656, 22071, 25224, 27326, 28377, 29428, 37836, 40989, 44142, 54652, 56754, 58856, 66213, 75672, 81978, 88284, 95641, 109304, 113508, 122967, 132426, 163956, 176568, 191282, 198639, 227016, 245934, 264852, 286923, 327912, 368901, 382564, 397278, 491868, 529704, 573846, 737802, 765128, 794556, 860769, 983736, 1147692, 1475604, 1589112, 1721538, 2295384, 2582307, 2951208, 3443076, 5164614, 6886152, 10329228, 20658456]

約数ペア:

[(1, 20658456), (2, 10329228), (3, 6886152), (4, 5164614), (6, 3443076), (7, 2951208), (8, 2582307), (9, 2295384), (12, 1721538), (13, 1589112), (14, 1475604), (18, 1147692), (21, 983736), (24, 860769), (26, 794556), (27, 765128), (28, 737802), (36, 573846), (39, 529704), (42, 491868), (52, 397278), (54, 382564), (56, 368901), (63, 327912), (72, 286923), (78, 264852), (84, 245934), (91, 227016), (104, 198639), (108, 191282), (117, 176568), (126, 163956), (156, 132426), (168, 122967), (182, 113508), (189, 109304), (216, 95641), (234, 88284), (252, 81978), (273, 75672), (312, 66213), (351, 58856), (364, 56754), (378, 54652), (468, 44142), (504, 40989), (546, 37836), (702, 29428), (728, 28377), (756, 27326), (819, 25224), (936, 22071), (1051, 19656), (1092, 18918), (1404, 14714), (1512, 13663), (1638, 12612), (2102, 9828), (2184, 9459), (2457, 8408), (2808, 7357), (3153, 6552), (3276, 6306), (4204, 4914)]