20145556473

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1\times {\mathrm{39499}}^1$

素因数の和:39821

約数の個数: 32

約数和(自身を含む): 31094400000

約数和(自身を除く): 10948843527

約数列:

[1, 3, 7, 21, 149, 163, 447, 489, 1043, 1141, 3129, 3423, 24287, 39499, 72861, 118497, 170009, 276493, 510027, 829479, 5885351, 6438337, 17656053, 19315011, 41197457, 45068359, 123592371, 135205077, 959312213, 2877936639, 6715185491, 20145556473]

約数ペア:

[(1, 20145556473), (3, 6715185491), (7, 2877936639), (21, 959312213), (149, 135205077), (163, 123592371), (447, 45068359), (489, 41197457), (1043, 19315011), (1141, 17656053), (3129, 6438337), (3423, 5885351), (24287, 829479), (39499, 510027), (72861, 276493), (118497, 170009)]