20904552639

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{39869}}^1$

素因数の和:40064

約数の個数: 48

約数和(自身を含む): 33586488000

約数和(自身を除く): 12681935361

約数列:

[1, 3, 9, 17, 23, 51, 69, 149, 153, 207, 391, 447, 1173, 1341, 2533, 3427, 3519, 7599, 10281, 22797, 30843, 39869, 58259, 119607, 174777, 358821, 524331, 677773, 916987, 2033319, 2750961, 5940481, 6099957, 8252883, 15588779, 17821443, 46766337, 53464329, 100988177, 136631063, 140299011, 302964531, 409893189, 908893593, 1229679567, 2322728071, 6968184213, 20904552639]

約数ペア:

[(1, 20904552639), (3, 6968184213), (9, 2322728071), (17, 1229679567), (23, 908893593), (51, 409893189), (69, 302964531), (149, 140299011), (153, 136631063), (207, 100988177), (391, 53464329), (447, 46766337), (1173, 17821443), (1341, 15588779), (2533, 8252883), (3427, 6099957), (3519, 5940481), (7599, 2750961), (10281, 2033319), (22797, 916987), (30843, 677773), (39869, 524331), (58259, 358821), (119607, 174777)]