20756868

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2347}}^1$

素因数の和:2432

約数の個数: 48

約数和(自身を含む): 53647104

約数和(自身を除く): 32890236

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 67, 132, 134, 201, 268, 402, 737, 804, 1474, 2211, 2347, 2948, 4422, 4694, 7041, 8844, 9388, 14082, 25817, 28164, 51634, 77451, 103268, 154902, 157249, 309804, 314498, 471747, 628996, 943494, 1729739, 1886988, 3459478, 5189217, 6918956, 10378434, 20756868]

約数ペア:

[(1, 20756868), (2, 10378434), (3, 6918956), (4, 5189217), (6, 3459478), (11, 1886988), (12, 1729739), (22, 943494), (33, 628996), (44, 471747), (66, 314498), (67, 309804), (132, 157249), (134, 154902), (201, 103268), (268, 77451), (402, 51634), (737, 28164), (804, 25817), (1474, 14082), (2211, 9388), (2347, 8844), (2948, 7041), (4422, 4694)]