20089304

素因数分解:

$2^3\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 40612320

約数和(自身を除く): 20523016

約数列:

[1, 2, 4, 8, 23, 46, 47, 92, 94, 101, 184, 188, 202, 376, 404, 529, 808, 1058, 1081, 2116, 2162, 2323, 4232, 4324, 4646, 4747, 8648, 9292, 9494, 18584, 18988, 24863, 37976, 49726, 53429, 99452, 106858, 109181, 198904, 213716, 218362, 427432, 436724, 873448, 2511163, 5022326, 10044652, 20089304]

約数ペア:

[(1, 20089304), (2, 10044652), (4, 5022326), (8, 2511163), (23, 873448), (46, 436724), (47, 427432), (92, 218362), (94, 213716), (101, 198904), (184, 109181), (188, 106858), (202, 99452), (376, 53429), (404, 49726), (529, 37976), (808, 24863), (1058, 18988), (1081, 18584), (2116, 9494), (2162, 9292), (2323, 8648), (4232, 4747), (4324, 4646)]