20641592

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{547}}^1$

素因数の和:695

約数の個数: 32

約数和(自身を含む): 39949200

約数和(自身を除く): 19307608

約数列:

[1, 2, 4, 8, 53, 89, 106, 178, 212, 356, 424, 547, 712, 1094, 2188, 4376, 4717, 9434, 18868, 28991, 37736, 48683, 57982, 97366, 115964, 194732, 231928, 389464, 2580199, 5160398, 10320796, 20641592]

約数ペア:

[(1, 20641592), (2, 10320796), (4, 5160398), (8, 2580199), (53, 389464), (89, 231928), (106, 194732), (178, 115964), (212, 97366), (356, 57982), (424, 48683), (547, 37736), (712, 28991), (1094, 18868), (2188, 9434), (4376, 4717)]