20872956

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{133801}}^1$

素因数の和:133821

約数の個数: 24

約数和(自身を含む): 52450384

約数和(自身を除く): 31577428

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 133801, 267602, 401403, 535204, 802806, 1605612, 1739413, 3478826, 5218239, 6957652, 10436478, 20872956]

約数ペア:

[(1, 20872956), (2, 10436478), (3, 6957652), (4, 5218239), (6, 3478826), (12, 1739413), (13, 1605612), (26, 802806), (39, 535204), (52, 401403), (78, 267602), (156, 133801)]