20145736

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1997}}^1$

素因数の和:2113

約数の個数: 32

約数和(自身を含む): 41118840

約数和(自身を除く): 20973104

約数列:

[1, 2, 4, 8, 13, 26, 52, 97, 104, 194, 388, 776, 1261, 1997, 2522, 3994, 5044, 7988, 10088, 15976, 25961, 51922, 103844, 193709, 207688, 387418, 774836, 1549672, 2518217, 5036434, 10072868, 20145736]

約数ペア:

[(1, 20145736), (2, 10072868), (4, 5036434), (8, 2518217), (13, 1549672), (26, 774836), (52, 387418), (97, 207688), (104, 193709), (194, 103844), (388, 51922), (776, 25961), (1261, 15976), (1997, 10088), (2522, 7988), (3994, 5044)]