20768328

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{463}}^1$

素因数の和:571

約数の個数: 96

約数和(自身を含む): 65145600

約数和(自身を除く): 44377272

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 89, 126, 168, 178, 252, 267, 356, 463, 504, 534, 623, 712, 801, 926, 1068, 1246, 1389, 1602, 1852, 1869, 2136, 2492, 2778, 3204, 3241, 3704, 3738, 4167, 4984, 5556, 5607, 6408, 6482, 7476, 8334, 9723, 11112, 11214, 12964, 14952, 16668, 19446, 22428, 25928, 29169, 33336, 38892, 41207, 44856, 58338, 77784, 82414, 116676, 123621, 164828, 233352, 247242, 288449, 329656, 370863, 494484, 576898, 741726, 865347, 988968, 1153796, 1483452, 1730694, 2307592, 2596041, 2966904, 3461388, 5192082, 6922776, 10384164, 20768328]

約数ペア:

[(1, 20768328), (2, 10384164), (3, 6922776), (4, 5192082), (6, 3461388), (7, 2966904), (8, 2596041), (9, 2307592), (12, 1730694), (14, 1483452), (18, 1153796), (21, 988968), (24, 865347), (28, 741726), (36, 576898), (42, 494484), (56, 370863), (63, 329656), (72, 288449), (84, 247242), (89, 233352), (126, 164828), (168, 123621), (178, 116676), (252, 82414), (267, 77784), (356, 58338), (463, 44856), (504, 41207), (534, 38892), (623, 33336), (712, 29169), (801, 25928), (926, 22428), (1068, 19446), (1246, 16668), (1389, 14952), (1602, 12964), (1852, 11214), (1869, 11112), (2136, 9723), (2492, 8334), (2778, 7476), (3204, 6482), (3241, 6408), (3704, 5607), (3738, 5556), (4167, 4984)]