20163800656

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{571}}^1\times {\mathrm{53831}}^1$

素因数の和:54451

約数の個数: 40

約数和(自身を含む): 40091059008

約数和(自身を除く): 19927258352

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 571, 656, 1142, 2284, 4568, 9136, 23411, 46822, 53831, 93644, 107662, 187288, 215324, 374576, 430648, 861296, 2207071, 4414142, 8828284, 17656568, 30737501, 35313136, 61475002, 122950004, 245900008, 491800016, 1260237541, 2520475082, 5040950164, 10081900328, 20163800656]

約数ペア:

[(1, 20163800656), (2, 10081900328), (4, 5040950164), (8, 2520475082), (16, 1260237541), (41, 491800016), (82, 245900008), (164, 122950004), (328, 61475002), (571, 35313136), (656, 30737501), (1142, 17656568), (2284, 8828284), (4568, 4414142), (9136, 2207071), (23411, 861296), (46822, 430648), (53831, 374576), (93644, 215324), (107662, 187288)]