20381036260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{613}}^1\times {\mathrm{127877}}^1$

素因数の和:128512

約数の個数: 48

約数和(自身を含む): 46168050096

約数和(自身を除く): 25787013836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 613, 1226, 2452, 3065, 6130, 7969, 12260, 15938, 31876, 39845, 79690, 127877, 159380, 255754, 511508, 639385, 1278770, 1662401, 2557540, 3324802, 6649604, 8312005, 16624010, 33248020, 78388601, 156777202, 313554404, 391943005, 783886010, 1019051813, 1567772020, 2038103626, 4076207252, 5095259065, 10190518130, 20381036260]

約数ペア:

[(1, 20381036260), (2, 10190518130), (4, 5095259065), (5, 4076207252), (10, 2038103626), (13, 1567772020), (20, 1019051813), (26, 783886010), (52, 391943005), (65, 313554404), (130, 156777202), (260, 78388601), (613, 33248020), (1226, 16624010), (2452, 8312005), (3065, 6649604), (6130, 3324802), (7969, 2557540), (12260, 1662401), (15938, 1278770), (31876, 639385), (39845, 511508), (79690, 255754), (127877, 159380)]