20127156

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{12611}}^1$

素因数の和:12644

約数の個数: 48

約数和(自身を含む): 56501760

約数和(自身を除く): 36374604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 12611, 25222, 37833, 50444, 75666, 88277, 151332, 176554, 239609, 264831, 353108, 479218, 529662, 718827, 958436, 1059324, 1437654, 1677263, 2875308, 3354526, 5031789, 6709052, 10063578, 20127156]

約数ペア:

[(1, 20127156), (2, 10063578), (3, 6709052), (4, 5031789), (6, 3354526), (7, 2875308), (12, 1677263), (14, 1437654), (19, 1059324), (21, 958436), (28, 718827), (38, 529662), (42, 479218), (57, 353108), (76, 264831), (84, 239609), (114, 176554), (133, 151332), (228, 88277), (266, 75666), (399, 50444), (532, 37833), (798, 25222), (1596, 12611)]