20551144

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1831}}^1$

素因数の和:1921

約数の個数: 32

約数和(自身を含む): 40890240

約数和(自身を除く): 20339096

約数列:

[1, 2, 4, 8, 23, 46, 61, 92, 122, 184, 244, 488, 1403, 1831, 2806, 3662, 5612, 7324, 11224, 14648, 42113, 84226, 111691, 168452, 223382, 336904, 446764, 893528, 2568893, 5137786, 10275572, 20551144]

約数ペア:

[(1, 20551144), (2, 10275572), (4, 5137786), (8, 2568893), (23, 893528), (46, 446764), (61, 336904), (92, 223382), (122, 168452), (184, 111691), (244, 84226), (488, 42113), (1403, 14648), (1831, 11224), (2806, 7324), (3662, 5612)]