20870702665

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{258157}}^1$

素因数の和:258241

約数の個数: 32

約数和(自身を含む): 28252811520

約数和(自身を除く): 7382108855

約数列:

[1, 5, 19, 23, 37, 95, 115, 185, 437, 703, 851, 2185, 3515, 4255, 16169, 80845, 258157, 1290785, 4904983, 5937611, 9551809, 24524915, 29688055, 47759045, 112814609, 181484371, 219691607, 564073045, 907421855, 1098458035, 4174140533, 20870702665]

約数ペア:

[(1, 20870702665), (5, 4174140533), (19, 1098458035), (23, 907421855), (37, 564073045), (95, 219691607), (115, 181484371), (185, 112814609), (437, 47759045), (703, 29688055), (851, 24524915), (2185, 9551809), (3515, 5937611), (4255, 4904983), (16169, 1290785), (80845, 258157)]