20199887218

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{67}}^1\times {\mathrm{40709}}^1$

素因数の和:40831

約数の個数: 48

約数和(自身を含む): 36740612160

約数和(自身を除く): 16540724942

約数列:

[1, 2, 7, 14, 23, 46, 67, 134, 161, 322, 469, 529, 938, 1058, 1541, 3082, 3703, 7406, 10787, 21574, 35443, 40709, 70886, 81418, 248101, 284963, 496202, 569926, 936307, 1872614, 2727503, 5455006, 6554149, 13108298, 19092521, 21535061, 38185042, 43070122, 62732569, 125465138, 150745427, 301490854, 439127983, 878255966, 1442849087, 2885698174, 10099943609, 20199887218]

約数ペア:

[(1, 20199887218), (2, 10099943609), (7, 2885698174), (14, 1442849087), (23, 878255966), (46, 439127983), (67, 301490854), (134, 150745427), (161, 125465138), (322, 62732569), (469, 43070122), (529, 38185042), (938, 21535061), (1058, 19092521), (1541, 13108298), (3082, 6554149), (3703, 5455006), (7406, 2727503), (10787, 1872614), (21574, 936307), (35443, 569926), (40709, 496202), (70886, 284963), (81418, 248101)]