20123642848

素因数分解:

$2^5\times {\mathrm{137}}^1\times {\mathrm{401}}^1\times {\mathrm{11447}}^1$

素因数の和:11995

約数の個数: 48

約数和(自身を含む): 40010622624

約数和(自身を除く): 19886979776

約数列:

[1, 2, 4, 8, 16, 32, 137, 274, 401, 548, 802, 1096, 1604, 2192, 3208, 4384, 6416, 11447, 12832, 22894, 45788, 54937, 91576, 109874, 183152, 219748, 366304, 439496, 878992, 1568239, 1757984, 3136478, 4590247, 6272956, 9180494, 12545912, 18360988, 25091824, 36721976, 50183648, 73443952, 146887904, 628863839, 1257727678, 2515455356, 5030910712, 10061821424, 20123642848]

約数ペア:

[(1, 20123642848), (2, 10061821424), (4, 5030910712), (8, 2515455356), (16, 1257727678), (32, 628863839), (137, 146887904), (274, 73443952), (401, 50183648), (548, 36721976), (802, 25091824), (1096, 18360988), (1604, 12545912), (2192, 9180494), (3208, 6272956), (4384, 4590247), (6416, 3136478), (11447, 1757984), (12832, 1568239), (22894, 878992), (45788, 439496), (54937, 366304), (91576, 219748), (109874, 183152)]