20401377768

素因数分解:

$2^3\times 3^3\times {\mathrm{53}}^1\times {\mathrm{571}}^1\times {\mathrm{3121}}^1$

素因数の和:3760

約数の個数: 128

約数和(自身を含む): 57859401600

約数和(自身を除く): 37458023832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 53, 54, 72, 106, 108, 159, 212, 216, 318, 424, 477, 571, 636, 954, 1142, 1272, 1431, 1713, 1908, 2284, 2862, 3121, 3426, 3816, 4568, 5139, 5724, 6242, 6852, 9363, 10278, 11448, 12484, 13704, 15417, 18726, 20556, 24968, 28089, 30263, 30834, 37452, 41112, 56178, 60526, 61668, 74904, 84267, 90789, 112356, 121052, 123336, 165413, 168534, 181578, 224712, 242104, 272367, 330826, 337068, 363156, 496239, 544734, 661652, 674136, 726312, 817101, 992478, 1089468, 1323304, 1488717, 1634202, 1782091, 1984956, 2178936, 2977434, 3268404, 3564182, 3969912, 4466151, 5346273, 5954868, 6536808, 7128364, 8932302, 10692546, 11909736, 14256728, 16038819, 17864604, 21385092, 32077638, 35729208, 42770184, 48116457, 64155276, 94450823, 96232914, 128310552, 188901646, 192465828, 283352469, 377803292, 384931656, 566704938, 755606584, 850057407, 1133409876, 1700114814, 2266819752, 2550172221, 3400229628, 5100344442, 6800459256, 10200688884, 20401377768]

約数ペア:

[(1, 20401377768), (2, 10200688884), (3, 6800459256), (4, 5100344442), (6, 3400229628), (8, 2550172221), (9, 2266819752), (12, 1700114814), (18, 1133409876), (24, 850057407), (27, 755606584), (36, 566704938), (53, 384931656), (54, 377803292), (72, 283352469), (106, 192465828), (108, 188901646), (159, 128310552), (212, 96232914), (216, 94450823), (318, 64155276), (424, 48116457), (477, 42770184), (571, 35729208), (636, 32077638), (954, 21385092), (1142, 17864604), (1272, 16038819), (1431, 14256728), (1713, 11909736), (1908, 10692546), (2284, 8932302), (2862, 7128364), (3121, 6536808), (3426, 5954868), (3816, 5346273), (4568, 4466151), (5139, 3969912), (5724, 3564182), (6242, 3268404), (6852, 2977434), (9363, 2178936), (10278, 1984956), (11448, 1782091), (12484, 1634202), (13704, 1488717), (15417, 1323304), (18726, 1089468), (20556, 992478), (24968, 817101), (28089, 726312), (30263, 674136), (30834, 661652), (37452, 544734), (41112, 496239), (56178, 363156), (60526, 337068), (61668, 330826), (74904, 272367), (84267, 242104), (90789, 224712), (112356, 181578), (121052, 168534), (123336, 165413)]