20911700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{12301}}^1$

素因数の和:12332

約数の個数: 36

約数和(自身を含む): 48051612

約数和(自身を除く): 27139912

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 12301, 24602, 49204, 61505, 123010, 209117, 246020, 307525, 418234, 615050, 836468, 1045585, 1230100, 2091170, 4182340, 5227925, 10455850, 20911700]

約数ペア:

[(1, 20911700), (2, 10455850), (4, 5227925), (5, 4182340), (10, 2091170), (17, 1230100), (20, 1045585), (25, 836468), (34, 615050), (50, 418234), (68, 307525), (85, 246020), (100, 209117), (170, 123010), (340, 61505), (425, 49204), (850, 24602), (1700, 12301)]