20384871872

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{193861}}^1$

素因数の和:193957

約数の個数: 56

約数和(自身を含む): 42544179072

約数和(自身を除く): 22159307200

約数列:

[1, 2, 4, 8, 16, 31, 32, 53, 62, 64, 106, 124, 212, 248, 424, 496, 848, 992, 1643, 1696, 1984, 3286, 3392, 6572, 13144, 26288, 52576, 105152, 193861, 387722, 775444, 1550888, 3101776, 6009691, 6203552, 10274633, 12019382, 12407104, 20549266, 24038764, 41098532, 48077528, 82197064, 96155056, 164394128, 192310112, 318513623, 328788256, 384620224, 637027246, 657576512, 1274054492, 2548108984, 5096217968, 10192435936, 20384871872]

約数ペア:

[(1, 20384871872), (2, 10192435936), (4, 5096217968), (8, 2548108984), (16, 1274054492), (31, 657576512), (32, 637027246), (53, 384620224), (62, 328788256), (64, 318513623), (106, 192310112), (124, 164394128), (212, 96155056), (248, 82197064), (424, 48077528), (496, 41098532), (848, 24038764), (992, 20549266), (1643, 12407104), (1696, 12019382), (1984, 10274633), (3286, 6203552), (3392, 6009691), (6572, 3101776), (13144, 1550888), (26288, 775444), (52576, 387722), (105152, 193861)]