20451692

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 39481344

約数和(自身を除く): 19029652

約数列:

[1, 2, 4, 23, 31, 46, 62, 71, 92, 101, 124, 142, 202, 284, 404, 713, 1426, 1633, 2201, 2323, 2852, 3131, 3266, 4402, 4646, 6262, 6532, 7171, 8804, 9292, 12524, 14342, 28684, 50623, 72013, 101246, 144026, 164933, 202492, 222301, 288052, 329866, 444602, 659732, 889204, 5112923, 10225846, 20451692]

約数ペア:

[(1, 20451692), (2, 10225846), (4, 5112923), (23, 889204), (31, 659732), (46, 444602), (62, 329866), (71, 288052), (92, 222301), (101, 202492), (124, 164933), (142, 144026), (202, 101246), (284, 72013), (404, 50623), (713, 28684), (1426, 14342), (1633, 12524), (2201, 9292), (2323, 8804), (2852, 7171), (3131, 6532), (3266, 6262), (4402, 4646)]