20139045417

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1\times {\mathrm{523}}^1$

素因数の和:1035

約数の個数: 64

約数和(自身を含む): 30967142400

約数和(自身を除く): 10828096983

約数列:

[1, 3, 9, 27, 53, 71, 159, 213, 379, 477, 523, 639, 1137, 1431, 1569, 1917, 3411, 3763, 4707, 10233, 11289, 14121, 20087, 26909, 27719, 33867, 37133, 60261, 80727, 83157, 101601, 111399, 180783, 198217, 242181, 249471, 334197, 542349, 594651, 726543, 748413, 1002591, 1426177, 1783953, 1968049, 4278531, 5351859, 5904147, 10505501, 12835593, 14073407, 17712441, 31516503, 38506779, 42220221, 53137323, 94549509, 126660663, 283648527, 379981989, 745890571, 2237671713, 6713015139, 20139045417]

約数ペア:

[(1, 20139045417), (3, 6713015139), (9, 2237671713), (27, 745890571), (53, 379981989), (71, 283648527), (159, 126660663), (213, 94549509), (379, 53137323), (477, 42220221), (523, 38506779), (639, 31516503), (1137, 17712441), (1431, 14073407), (1569, 12835593), (1917, 10505501), (3411, 5904147), (3763, 5351859), (4707, 4278531), (10233, 1968049), (11289, 1783953), (14121, 1426177), (20087, 1002591), (26909, 748413), (27719, 726543), (33867, 594651), (37133, 542349), (60261, 334197), (80727, 249471), (83157, 242181), (101601, 198217), (111399, 180783)]