20660448

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:320

約数の個数: 96

約数和(自身を含む): 58544640

約数和(自身を除く): 37884192

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 47, 48, 57, 76, 94, 96, 114, 141, 152, 188, 228, 241, 282, 304, 376, 456, 482, 564, 608, 723, 752, 893, 912, 964, 1128, 1446, 1504, 1786, 1824, 1928, 2256, 2679, 2892, 3572, 3856, 4512, 4579, 5358, 5784, 7144, 7712, 9158, 10716, 11327, 11568, 13737, 14288, 18316, 21432, 22654, 23136, 27474, 28576, 33981, 36632, 42864, 45308, 54948, 67962, 73264, 85728, 90616, 109896, 135924, 146528, 181232, 215213, 219792, 271848, 362464, 430426, 439584, 543696, 645639, 860852, 1087392, 1291278, 1721704, 2582556, 3443408, 5165112, 6886816, 10330224, 20660448]

約数ペア:

[(1, 20660448), (2, 10330224), (3, 6886816), (4, 5165112), (6, 3443408), (8, 2582556), (12, 1721704), (16, 1291278), (19, 1087392), (24, 860852), (32, 645639), (38, 543696), (47, 439584), (48, 430426), (57, 362464), (76, 271848), (94, 219792), (96, 215213), (114, 181232), (141, 146528), (152, 135924), (188, 109896), (228, 90616), (241, 85728), (282, 73264), (304, 67962), (376, 54948), (456, 45308), (482, 42864), (564, 36632), (608, 33981), (723, 28576), (752, 27474), (893, 23136), (912, 22654), (964, 21432), (1128, 18316), (1446, 14288), (1504, 13737), (1786, 11568), (1824, 11327), (1928, 10716), (2256, 9158), (2679, 7712), (2892, 7144), (3572, 5784), (3856, 5358), (4512, 4579)]