20999419756

素因数分解:

$2^2\times 7^1\times {\mathrm{6269}}^1\times {\mathrm{119633}}^1$

素因数の和:125913

約数の個数: 24

約数和(自身を含む): 42005890080

約数和(自身を除く): 21006470324

約数列:

[1, 2, 4, 7, 14, 28, 6269, 12538, 25076, 43883, 87766, 119633, 175532, 239266, 478532, 837431, 1674862, 3349724, 749979277, 1499958554, 2999917108, 5249854939, 10499709878, 20999419756]

約数ペア:

[(1, 20999419756), (2, 10499709878), (4, 5249854939), (7, 2999917108), (14, 1499958554), (28, 749979277), (6269, 3349724), (12538, 1674862), (25076, 837431), (43883, 478532), (87766, 239266), (119633, 175532)]