20709528

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{941}}^1$

素因数の和:1088

約数の個数: 64

約数和(自身を含む): 59685120

約数和(自身を除く): 38975592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 131, 168, 262, 393, 524, 786, 917, 941, 1048, 1572, 1834, 1882, 2751, 2823, 3144, 3668, 3764, 5502, 5646, 6587, 7336, 7528, 11004, 11292, 13174, 19761, 22008, 22584, 26348, 39522, 52696, 79044, 123271, 158088, 246542, 369813, 493084, 739626, 862897, 986168, 1479252, 1725794, 2588691, 2958504, 3451588, 5177382, 6903176, 10354764, 20709528]

約数ペア:

[(1, 20709528), (2, 10354764), (3, 6903176), (4, 5177382), (6, 3451588), (7, 2958504), (8, 2588691), (12, 1725794), (14, 1479252), (21, 986168), (24, 862897), (28, 739626), (42, 493084), (56, 369813), (84, 246542), (131, 158088), (168, 123271), (262, 79044), (393, 52696), (524, 39522), (786, 26348), (917, 22584), (941, 22008), (1048, 19761), (1572, 13174), (1834, 11292), (1882, 11004), (2751, 7528), (2823, 7336), (3144, 6587), (3668, 5646), (3764, 5502)]