19996752

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{307}}^1$

素因数の和:400

約数の個数: 80

約数和(自身を含む): 54996480

約数和(自身を除く): 34999728

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 59, 69, 92, 118, 138, 177, 184, 236, 276, 307, 354, 368, 472, 552, 614, 708, 921, 944, 1104, 1228, 1357, 1416, 1842, 2456, 2714, 2832, 3684, 4071, 4912, 5428, 7061, 7368, 8142, 10856, 14122, 14736, 16284, 18113, 21183, 21712, 28244, 32568, 36226, 42366, 54339, 56488, 65136, 72452, 84732, 108678, 112976, 144904, 169464, 217356, 289808, 338928, 416599, 434712, 833198, 869424, 1249797, 1666396, 2499594, 3332792, 4999188, 6665584, 9998376, 19996752]

約数ペア:

[(1, 19996752), (2, 9998376), (3, 6665584), (4, 4999188), (6, 3332792), (8, 2499594), (12, 1666396), (16, 1249797), (23, 869424), (24, 833198), (46, 434712), (48, 416599), (59, 338928), (69, 289808), (92, 217356), (118, 169464), (138, 144904), (177, 112976), (184, 108678), (236, 84732), (276, 72452), (307, 65136), (354, 56488), (368, 54339), (472, 42366), (552, 36226), (614, 32568), (708, 28244), (921, 21712), (944, 21183), (1104, 18113), (1228, 16284), (1357, 14736), (1416, 14122), (1842, 10856), (2456, 8142), (2714, 7368), (2832, 7061), (3684, 5428), (4071, 4912)]