20692048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1877}}^1$

素因数の和:1951

約数の個数: 40

約数和(自身を含む): 44012808

約数和(自身を除く): 23320760

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 208, 212, 424, 689, 848, 1378, 1877, 2756, 3754, 5512, 7508, 11024, 15016, 24401, 30032, 48802, 97604, 99481, 195208, 198962, 390416, 397924, 795848, 1293253, 1591696, 2586506, 5173012, 10346024, 20692048]

約数ペア:

[(1, 20692048), (2, 10346024), (4, 5173012), (8, 2586506), (13, 1591696), (16, 1293253), (26, 795848), (52, 397924), (53, 390416), (104, 198962), (106, 195208), (208, 99481), (212, 97604), (424, 48802), (689, 30032), (848, 24401), (1378, 15016), (1877, 11024), (2756, 7508), (3754, 5512)]