20138851635

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{177427}}^1$

素因数の和:177512

約数の個数: 64

約数和(自身を含む): 39244234752

約数和(自身を除く): 19105383117

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 47, 69, 105, 115, 141, 161, 235, 329, 345, 483, 705, 805, 987, 1081, 1645, 2415, 3243, 4935, 5405, 7567, 16215, 22701, 37835, 113505, 177427, 532281, 887135, 1241989, 2661405, 3725967, 4080821, 6209945, 8339069, 12242463, 18629835, 20404105, 25017207, 28565747, 41695345, 58373483, 61212315, 85697241, 125086035, 142828735, 175120449, 191798587, 291867415, 428486205, 575395761, 875602245, 958992935, 1342590109, 2876978805, 4027770327, 6712950545, 20138851635]

約数ペア:

[(1, 20138851635), (3, 6712950545), (5, 4027770327), (7, 2876978805), (15, 1342590109), (21, 958992935), (23, 875602245), (35, 575395761), (47, 428486205), (69, 291867415), (105, 191798587), (115, 175120449), (141, 142828735), (161, 125086035), (235, 85697241), (329, 61212315), (345, 58373483), (483, 41695345), (705, 28565747), (805, 25017207), (987, 20404105), (1081, 18629835), (1645, 12242463), (2415, 8339069), (3243, 6209945), (4935, 4080821), (5405, 3725967), (7567, 2661405), (16215, 1241989), (22701, 887135), (37835, 532281), (113505, 177427)]