20444996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1153}}^1$

素因数の和:1212

約数の個数: 48

約数和(自身を含む): 43427328

約数和(自身を除く): 22982332

約数列:

[1, 2, 4, 11, 13, 22, 26, 31, 44, 52, 62, 124, 143, 286, 341, 403, 572, 682, 806, 1153, 1364, 1612, 2306, 4433, 4612, 8866, 12683, 14989, 17732, 25366, 29978, 35743, 50732, 59956, 71486, 142972, 164879, 329758, 393173, 464659, 659516, 786346, 929318, 1572692, 1858636, 5111249, 10222498, 20444996]

約数ペア:

[(1, 20444996), (2, 10222498), (4, 5111249), (11, 1858636), (13, 1572692), (22, 929318), (26, 786346), (31, 659516), (44, 464659), (52, 393173), (62, 329758), (124, 164879), (143, 142972), (286, 71486), (341, 59956), (403, 50732), (572, 35743), (682, 29978), (806, 25366), (1153, 17732), (1364, 14989), (1612, 12683), (2306, 8866), (4433, 4612)]