20582624

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{349}}^1$

素因数の和:475

約数の個数: 48

約数和(自身を含む): 43218000

約数和(自身を除く): 22635376

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 97, 152, 194, 304, 349, 388, 608, 698, 776, 1396, 1552, 1843, 2792, 3104, 3686, 5584, 6631, 7372, 11168, 13262, 14744, 26524, 29488, 33853, 53048, 58976, 67706, 106096, 135412, 212192, 270824, 541648, 643207, 1083296, 1286414, 2572828, 5145656, 10291312, 20582624]

約数ペア:

[(1, 20582624), (2, 10291312), (4, 5145656), (8, 2572828), (16, 1286414), (19, 1083296), (32, 643207), (38, 541648), (76, 270824), (97, 212192), (152, 135412), (194, 106096), (304, 67706), (349, 58976), (388, 53048), (608, 33853), (698, 29488), (776, 26524), (1396, 14744), (1552, 13262), (1843, 11168), (2792, 7372), (3104, 6631), (3686, 5584)]