20673792

素因数分解:

$2^8\times 3^4\times {\mathrm{997}}^1$

素因数の和:1025

約数の個数: 90

約数和(自身を含む): 61707338

約数和(自身を除く): 41033546

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 256, 288, 324, 384, 432, 576, 648, 768, 864, 997, 1152, 1296, 1728, 1994, 2304, 2592, 2991, 3456, 3988, 5184, 5982, 6912, 7976, 8973, 10368, 11964, 15952, 17946, 20736, 23928, 26919, 31904, 35892, 47856, 53838, 63808, 71784, 80757, 95712, 107676, 127616, 143568, 161514, 191424, 215352, 255232, 287136, 323028, 382848, 430704, 574272, 646056, 765696, 861408, 1148544, 1292112, 1722816, 2297088, 2584224, 3445632, 5168448, 6891264, 10336896, 20673792]

約数ペア:

[(1, 20673792), (2, 10336896), (3, 6891264), (4, 5168448), (6, 3445632), (8, 2584224), (9, 2297088), (12, 1722816), (16, 1292112), (18, 1148544), (24, 861408), (27, 765696), (32, 646056), (36, 574272), (48, 430704), (54, 382848), (64, 323028), (72, 287136), (81, 255232), (96, 215352), (108, 191424), (128, 161514), (144, 143568), (162, 127616), (192, 107676), (216, 95712), (256, 80757), (288, 71784), (324, 63808), (384, 53838), (432, 47856), (576, 35892), (648, 31904), (768, 26919), (864, 23928), (997, 20736), (1152, 17946), (1296, 15952), (1728, 11964), (1994, 10368), (2304, 8973), (2592, 7976), (2991, 6912), (3456, 5982), (3988, 5184)]