20768688

素因数分解:

$2^4\times 3^2\times {\mathrm{233}}^1\times {\mathrm{619}}^1$

素因数の和:866

約数の個数: 60

約数和(自身を含む): 58467240

約数和(自身を除く): 37698552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 233, 466, 619, 699, 932, 1238, 1398, 1857, 1864, 2097, 2476, 2796, 3714, 3728, 4194, 4952, 5571, 5592, 7428, 8388, 9904, 11142, 11184, 14856, 16776, 22284, 29712, 33552, 44568, 89136, 144227, 288454, 432681, 576908, 865362, 1153816, 1298043, 1730724, 2307632, 2596086, 3461448, 5192172, 6922896, 10384344, 20768688]

約数ペア:

[(1, 20768688), (2, 10384344), (3, 6922896), (4, 5192172), (6, 3461448), (8, 2596086), (9, 2307632), (12, 1730724), (16, 1298043), (18, 1153816), (24, 865362), (36, 576908), (48, 432681), (72, 288454), (144, 144227), (233, 89136), (466, 44568), (619, 33552), (699, 29712), (932, 22284), (1238, 16776), (1398, 14856), (1857, 11184), (1864, 11142), (2097, 9904), (2476, 8388), (2796, 7428), (3714, 5592), (3728, 5571), (4194, 4952)]