20587836

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 49986720

約数和(自身を除く): 29398884

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 89, 111, 148, 178, 222, 267, 356, 444, 521, 534, 1042, 1068, 1563, 2084, 3126, 3293, 6252, 6586, 9879, 13172, 19277, 19758, 38554, 39516, 46369, 57831, 77108, 92738, 115662, 139107, 185476, 231324, 278214, 556428, 1715653, 3431306, 5146959, 6862612, 10293918, 20587836]

約数ペア:

[(1, 20587836), (2, 10293918), (3, 6862612), (4, 5146959), (6, 3431306), (12, 1715653), (37, 556428), (74, 278214), (89, 231324), (111, 185476), (148, 139107), (178, 115662), (222, 92738), (267, 77108), (356, 57831), (444, 46369), (521, 39516), (534, 38554), (1042, 19758), (1068, 19277), (1563, 13172), (2084, 9879), (3126, 6586), (3293, 6252)]